20328236490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{809}}^1$

素因数の和:1188

約数の個数: 128

約数和(自身を含む): 50791587840

約数和(自身を除く): 30463351350

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 71, 94, 141, 142, 213, 235, 251, 282, 355, 426, 470, 502, 705, 710, 753, 809, 1065, 1255, 1410, 1506, 1618, 2130, 2427, 2510, 3337, 3765, 4045, 4854, 6674, 7530, 8090, 10011, 11797, 12135, 16685, 17821, 20022, 23594, 24270, 33370, 35391, 35642, 38023, 50055, 53463, 57439, 58985, 70782, 76046, 89105, 100110, 106926, 114069, 114878, 117970, 172317, 176955, 178210, 190115, 203059, 228138, 267315, 287195, 344634, 353910, 380230, 406118, 534630, 570345, 574390, 609177, 837587, 861585, 1015295, 1140690, 1218354, 1675174, 1723170, 2030590, 2512761, 2699633, 3045885, 4187935, 5025522, 5399266, 6091770, 8098899, 8375870, 9543773, 12563805, 13498165, 14417189, 16197798, 19087546, 25127610, 26996330, 28631319, 28834378, 40494495, 43251567, 47718865, 57262638, 72085945, 80988990, 86503134, 95437730, 143156595, 144171890, 216257835, 286313190, 432515670, 677607883, 1355215766, 2032823649, 3388039415, 4065647298, 6776078830, 10164118245, 20328236490]

約数ペア:

[(1, 20328236490), (2, 10164118245), (3, 6776078830), (5, 4065647298), (6, 3388039415), (10, 2032823649), (15, 1355215766), (30, 677607883), (47, 432515670), (71, 286313190), (94, 216257835), (141, 144171890), (142, 143156595), (213, 95437730), (235, 86503134), (251, 80988990), (282, 72085945), (355, 57262638), (426, 47718865), (470, 43251567), (502, 40494495), (705, 28834378), (710, 28631319), (753, 26996330), (809, 25127610), (1065, 19087546), (1255, 16197798), (1410, 14417189), (1506, 13498165), (1618, 12563805), (2130, 9543773), (2427, 8375870), (2510, 8098899), (3337, 6091770), (3765, 5399266), (4045, 5025522), (4854, 4187935), (6674, 3045885), (7530, 2699633), (8090, 2512761), (10011, 2030590), (11797, 1723170), (12135, 1675174), (16685, 1218354), (17821, 1140690), (20022, 1015295), (23594, 861585), (24270, 837587), (33370, 609177), (35391, 574390), (35642, 570345), (38023, 534630), (50055, 406118), (53463, 380230), (57439, 353910), (58985, 344634), (70782, 287195), (76046, 267315), (89105, 228138), (100110, 203059), (106926, 190115), (114069, 178210), (114878, 176955), (117970, 172317)]