20076859971

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18745901}}^1$

素因数の和:18745931

約数の個数: 24

約数和(自身を含む): 35092328544

約数和(自身を除く): 15015468573

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 18745901, 56237703, 131221307, 168713109, 318680317, 393663921, 956040951, 1180991763, 2230762219, 2868122853, 6692286657, 20076859971]

約数ペア:

[(1, 20076859971), (3, 6692286657), (7, 2868122853), (9, 2230762219), (17, 1180991763), (21, 956040951), (51, 393663921), (63, 318680317), (119, 168713109), (153, 131221307), (357, 56237703), (1071, 18745901)]