20342986160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{103}}^1\times {\mathrm{367}}^1$

素因数の和:552

約数の個数: 240

約数和(自身を含む): 56550094848

約数和(自身を除く): 36207108688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 103, 112, 124, 140, 155, 206, 217, 248, 280, 310, 367, 412, 434, 496, 515, 560, 620, 721, 734, 824, 868, 961, 1030, 1085, 1240, 1442, 1468, 1648, 1736, 1835, 1922, 2060, 2170, 2480, 2569, 2884, 2936, 3193, 3472, 3605, 3670, 3844, 4120, 4340, 4805, 5138, 5768, 5872, 6386, 6727, 7210, 7340, 7688, 8240, 8680, 9610, 10276, 11377, 11536, 12772, 12845, 13454, 14420, 14680, 15376, 15965, 17360, 19220, 20552, 22351, 22754, 25544, 25690, 26908, 28840, 29360, 31930, 33635, 37801, 38440, 41104, 44702, 45508, 51088, 51380, 53816, 56885, 57680, 63860, 67270, 75602, 76880, 79639, 89404, 91016, 98983, 102760, 107632, 111755, 113770, 127720, 134540, 151204, 159278, 178808, 182032, 189005, 197966, 205520, 223510, 227540, 255440, 264607, 269080, 302408, 318556, 352687, 357616, 378010, 395932, 398195, 447020, 455080, 494915, 529214, 538160, 604816, 637112, 692881, 705374, 756020, 791864, 796390, 894040, 910160, 989830, 1058428, 1171831, 1274224, 1323035, 1385762, 1410748, 1512040, 1583728, 1592780, 1763435, 1788080, 1979660, 2116856, 2343662, 2468809, 2646070, 2771524, 2821496, 3024080, 3185560, 3464405, 3526870, 3959320, 4233712, 4687324, 4937618, 5292140, 5543048, 5642992, 5859155, 6371120, 6928810, 7053740, 7918640, 8202817, 9374648, 9875236, 10584280, 11086096, 11718310, 12344045, 13857620, 14107480, 16405634, 18749296, 19750472, 21168560, 23436620, 24688090, 27715240, 28214960, 32811268, 36326761, 39500944, 41014085, 46873240, 49376180, 55430480, 65622536, 72653522, 82028170, 93746480, 98752360, 131245072, 145307044, 164056340, 181633805, 197504720, 254287327, 290614088, 328112680, 363267610, 508574654, 581228176, 656225360, 726535220, 1017149308, 1271436635, 1453070440, 2034298616, 2542873270, 2906140880, 4068597232, 5085746540, 10171493080, 20342986160]

約数ペア:

[(1, 20342986160), (2, 10171493080), (4, 5085746540), (5, 4068597232), (7, 2906140880), (8, 2542873270), (10, 2034298616), (14, 1453070440), (16, 1271436635), (20, 1017149308), (28, 726535220), (31, 656225360), (35, 581228176), (40, 508574654), (56, 363267610), (62, 328112680), (70, 290614088), (80, 254287327), (103, 197504720), (112, 181633805), (124, 164056340), (140, 145307044), (155, 131245072), (206, 98752360), (217, 93746480), (248, 82028170), (280, 72653522), (310, 65622536), (367, 55430480), (412, 49376180), (434, 46873240), (496, 41014085), (515, 39500944), (560, 36326761), (620, 32811268), (721, 28214960), (734, 27715240), (824, 24688090), (868, 23436620), (961, 21168560), (1030, 19750472), (1085, 18749296), (1240, 16405634), (1442, 14107480), (1468, 13857620), (1648, 12344045), (1736, 11718310), (1835, 11086096), (1922, 10584280), (2060, 9875236), (2170, 9374648), (2480, 8202817), (2569, 7918640), (2884, 7053740), (2936, 6928810), (3193, 6371120), (3472, 5859155), (3605, 5642992), (3670, 5543048), (3844, 5292140), (4120, 4937618), (4340, 4687324), (4805, 4233712), (5138, 3959320), (5768, 3526870), (5872, 3464405), (6386, 3185560), (6727, 3024080), (7210, 2821496), (7340, 2771524), (7688, 2646070), (8240, 2468809), (8680, 2343662), (9610, 2116856), (10276, 1979660), (11377, 1788080), (11536, 1763435), (12772, 1592780), (12845, 1583728), (13454, 1512040), (14420, 1410748), (14680, 1385762), (15376, 1323035), (15965, 1274224), (17360, 1171831), (19220, 1058428), (20552, 989830), (22351, 910160), (22754, 894040), (25544, 796390), (25690, 791864), (26908, 756020), (28840, 705374), (29360, 692881), (31930, 637112), (33635, 604816), (37801, 538160), (38440, 529214), (41104, 494915), (44702, 455080), (45508, 447020), (51088, 398195), (51380, 395932), (53816, 378010), (56885, 357616), (57680, 352687), (63860, 318556), (67270, 302408), (75602, 269080), (76880, 264607), (79639, 255440), (89404, 227540), (91016, 223510), (98983, 205520), (102760, 197966), (107632, 189005), (111755, 182032), (113770, 178808), (127720, 159278), (134540, 151204)]