9920404370

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10227221}}^1$

素因数の和:10227325

約数の個数: 16

約数和(自身を含む): 18040819608

約数和(自身を除く): 8120415238

約数列:

[1, 2, 5, 10, 97, 194, 485, 970, 10227221, 20454442, 51136105, 102272210, 992040437, 1984080874, 4960202185, 9920404370]

約数ペア:

[(1, 9920404370), (2, 4960202185), (5, 1984080874), (10, 992040437), (97, 102272210), (194, 51136105), (485, 20454442), (970, 10227221)]