20389584

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 56345600

約数和(自身を除く): 35956016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 79, 114, 152, 158, 228, 237, 283, 304, 316, 456, 474, 566, 632, 849, 912, 948, 1132, 1264, 1501, 1698, 1896, 2264, 3002, 3396, 3792, 4503, 4528, 5377, 6004, 6792, 9006, 10754, 12008, 13584, 16131, 18012, 21508, 22357, 24016, 32262, 36024, 43016, 44714, 64524, 67071, 72048, 86032, 89428, 129048, 134142, 178856, 258096, 268284, 357712, 424783, 536568, 849566, 1073136, 1274349, 1699132, 2548698, 3398264, 5097396, 6796528, 10194792, 20389584]

約数ペア:

[(1, 20389584), (2, 10194792), (3, 6796528), (4, 5097396), (6, 3398264), (8, 2548698), (12, 1699132), (16, 1274349), (19, 1073136), (24, 849566), (38, 536568), (48, 424783), (57, 357712), (76, 268284), (79, 258096), (114, 178856), (152, 134142), (158, 129048), (228, 89428), (237, 86032), (283, 72048), (304, 67071), (316, 64524), (456, 44714), (474, 43016), (566, 36024), (632, 32262), (849, 24016), (912, 22357), (948, 21508), (1132, 18012), (1264, 16131), (1501, 13584), (1698, 12008), (1896, 10754), (2264, 9006), (3002, 6792), (3396, 6004), (3792, 5377), (4503, 4528)]