20178697798

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{144379}}^1$

素因数の和:144604

約数の個数: 32

約数和(自身を含む): 35344224000

約数和(自身を除く): 15165526202

約数列:

[1, 2, 7, 14, 67, 134, 149, 298, 469, 938, 1043, 2086, 9983, 19966, 69881, 139762, 144379, 288758, 1010653, 2021306, 9673393, 19346786, 21512471, 43024942, 67713751, 135427502, 150587297, 301174594, 1441335557, 2882671114, 10089348899, 20178697798]

約数ペア:

[(1, 20178697798), (2, 10089348899), (7, 2882671114), (14, 1441335557), (67, 301174594), (134, 150587297), (149, 135427502), (298, 67713751), (469, 43024942), (938, 21512471), (1043, 19346786), (2086, 9673393), (9983, 2021306), (19966, 1010653), (69881, 288758), (139762, 144379)]