20517264

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{7499}}^1$

素因数の和:7532

約数の個数: 60

約数和(自身を含む): 60450000

約数和(自身を除く): 39932736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 7499, 14998, 22497, 29996, 44994, 59992, 67491, 89988, 119984, 134982, 142481, 179976, 269964, 284962, 359952, 427443, 539928, 569924, 854886, 1079856, 1139848, 1282329, 1709772, 2279696, 2564658, 3419544, 5129316, 6839088, 10258632, 20517264]

約数ペア:

[(1, 20517264), (2, 10258632), (3, 6839088), (4, 5129316), (6, 3419544), (8, 2564658), (9, 2279696), (12, 1709772), (16, 1282329), (18, 1139848), (19, 1079856), (24, 854886), (36, 569924), (38, 539928), (48, 427443), (57, 359952), (72, 284962), (76, 269964), (114, 179976), (144, 142481), (152, 134982), (171, 119984), (228, 89988), (304, 67491), (342, 59992), (456, 44994), (684, 29996), (912, 22497), (1368, 14998), (2736, 7499)]