20917376208

素因数分解:

$2^4\times 3^2\times {\mathrm{145259557}}^1$

素因数の和:145259571

約数の個数: 30

約数和(自身を含む): 58539601874

約数和(自身を除く): 37622225666

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 145259557, 290519114, 435778671, 581038228, 871557342, 1162076456, 1307336013, 1743114684, 2324152912, 2614672026, 3486229368, 5229344052, 6972458736, 10458688104, 20917376208]

約数ペア:

[(1, 20917376208), (2, 10458688104), (3, 6972458736), (4, 5229344052), (6, 3486229368), (8, 2614672026), (9, 2324152912), (12, 1743114684), (16, 1307336013), (18, 1162076456), (24, 871557342), (36, 581038228), (48, 435778671), (72, 290519114), (144, 145259557)]