20485968

素因数分解:

$2^4\times 3^1\times {\mathrm{173}}^1\times {\mathrm{2467}}^1$

素因数の和:2651

約数の個数: 40

約数和(自身を含む): 53249568

約数和(自身を除く): 32763600

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 173, 346, 519, 692, 1038, 1384, 2076, 2467, 2768, 4152, 4934, 7401, 8304, 9868, 14802, 19736, 29604, 39472, 59208, 118416, 426791, 853582, 1280373, 1707164, 2560746, 3414328, 5121492, 6828656, 10242984, 20485968]

約数ペア:

[(1, 20485968), (2, 10242984), (3, 6828656), (4, 5121492), (6, 3414328), (8, 2560746), (12, 1707164), (16, 1280373), (24, 853582), (48, 426791), (173, 118416), (346, 59208), (519, 39472), (692, 29604), (1038, 19736), (1384, 14802), (2076, 9868), (2467, 8304), (2768, 7401), (4152, 4934)]