20981030402

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{9029}}^1\times {\mathrm{61151}}^1$

素因数の和:70201

約数の個数: 16

約数和(自身を含む): 33132153600

約数和(自身を除く): 12151123198

約数列:

[1, 2, 19, 38, 9029, 18058, 61151, 122302, 171551, 343102, 1161869, 2323738, 552132379, 1104264758, 10490515201, 20981030402]

約数ペア:

[(1, 20981030402), (2, 10490515201), (19, 1104264758), (38, 552132379), (9029, 2323738), (18058, 1161869), (61151, 343102), (122302, 171551)]