20126668

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{569}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 36388800

約数和(自身を除く): 16262132

約数列:

[1, 2, 4, 37, 74, 148, 239, 478, 569, 956, 1138, 2276, 8843, 17686, 21053, 35372, 42106, 84212, 135991, 271982, 543964, 5031667, 10063334, 20126668]

約数ペア:

[(1, 20126668), (2, 10063334), (4, 5031667), (37, 543964), (74, 271982), (148, 135991), (239, 84212), (478, 42106), (569, 35372), (956, 21053), (1138, 17686), (2276, 8843)]