20465174340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{78791}}^1$

素因数の和:78859

約数の個数: 192

約数和(自身を含む): 70421137920

約数和(自身を除く): 49955963580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 37, 39, 45, 52, 54, 60, 65, 74, 78, 90, 108, 111, 117, 130, 135, 148, 156, 180, 185, 195, 222, 234, 260, 270, 333, 351, 370, 390, 444, 468, 481, 540, 555, 585, 666, 702, 740, 780, 962, 999, 1110, 1170, 1332, 1404, 1443, 1665, 1755, 1924, 1998, 2220, 2340, 2405, 2886, 3330, 3510, 3996, 4329, 4810, 4995, 5772, 6660, 7020, 7215, 8658, 9620, 9990, 12987, 14430, 17316, 19980, 21645, 25974, 28860, 43290, 51948, 64935, 78791, 86580, 129870, 157582, 236373, 259740, 315164, 393955, 472746, 709119, 787910, 945492, 1024283, 1181865, 1418238, 1575820, 2048566, 2127357, 2363730, 2836476, 2915267, 3072849, 3545595, 4097132, 4254714, 4727460, 5121415, 5830534, 6145698, 7091190, 8509428, 8745801, 9218547, 10242830, 10636785, 11661068, 12291396, 14182380, 14576335, 15364245, 17491602, 18437094, 20485660, 21273570, 26237403, 27655641, 29152670, 30728490, 34983204, 36874188, 37898471, 42547140, 43729005, 46092735, 52474806, 55311282, 58305340, 61456980, 75796942, 78712209, 87458010, 92185470, 104949612, 110622564, 113695413, 131187015, 138278205, 151593884, 157424418, 174916020, 184370940, 189492355, 227390826, 262374030, 276556410, 314848836, 341086239, 378984710, 393561045, 454781652, 524748060, 553112820, 568477065, 682172478, 757969420, 787122090, 1023258717, 1136954130, 1364344956, 1574244180, 1705431195, 2046517434, 2273908260, 3410862390, 4093034868, 5116293585, 6821724780, 10232587170, 20465174340]

約数ペア:

[(1, 20465174340), (2, 10232587170), (3, 6821724780), (4, 5116293585), (5, 4093034868), (6, 3410862390), (9, 2273908260), (10, 2046517434), (12, 1705431195), (13, 1574244180), (15, 1364344956), (18, 1136954130), (20, 1023258717), (26, 787122090), (27, 757969420), (30, 682172478), (36, 568477065), (37, 553112820), (39, 524748060), (45, 454781652), (52, 393561045), (54, 378984710), (60, 341086239), (65, 314848836), (74, 276556410), (78, 262374030), (90, 227390826), (108, 189492355), (111, 184370940), (117, 174916020), (130, 157424418), (135, 151593884), (148, 138278205), (156, 131187015), (180, 113695413), (185, 110622564), (195, 104949612), (222, 92185470), (234, 87458010), (260, 78712209), (270, 75796942), (333, 61456980), (351, 58305340), (370, 55311282), (390, 52474806), (444, 46092735), (468, 43729005), (481, 42547140), (540, 37898471), (555, 36874188), (585, 34983204), (666, 30728490), (702, 29152670), (740, 27655641), (780, 26237403), (962, 21273570), (999, 20485660), (1110, 18437094), (1170, 17491602), (1332, 15364245), (1404, 14576335), (1443, 14182380), (1665, 12291396), (1755, 11661068), (1924, 10636785), (1998, 10242830), (2220, 9218547), (2340, 8745801), (2405, 8509428), (2886, 7091190), (3330, 6145698), (3510, 5830534), (3996, 5121415), (4329, 4727460), (4810, 4254714), (4995, 4097132), (5772, 3545595), (6660, 3072849), (7020, 2915267), (7215, 2836476), (8658, 2363730), (9620, 2127357), (9990, 2048566), (12987, 1575820), (14430, 1418238), (17316, 1181865), (19980, 1024283), (21645, 945492), (25974, 787910), (28860, 709119), (43290, 472746), (51948, 393955), (64935, 315164), (78791, 259740), (86580, 236373), (129870, 157582)]