20123255684

素因数分解:

$2^2\times 7^1\times {\mathrm{1979}}^1\times {\mathrm{363157}}^1$

素因数の和:365147

約数の個数: 24

約数和(自身を含む): 40266959040

約数和(自身を除く): 20143703356

約数列:

[1, 2, 4, 7, 14, 28, 1979, 3958, 7916, 13853, 27706, 55412, 363157, 726314, 1452628, 2542099, 5084198, 10168396, 718687703, 1437375406, 2874750812, 5030813921, 10061627842, 20123255684]

約数ペア:

[(1, 20123255684), (2, 10061627842), (4, 5030813921), (7, 2874750812), (14, 1437375406), (28, 718687703), (1979, 10168396), (3958, 5084198), (7916, 2542099), (13853, 1452628), (27706, 726314), (55412, 363157)]