20502772906

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1221421}}^1$

素因数の和:1221550

約数の個数: 32

約数和(自身を含む): 38694648960

約数和(自身を除く): 18191876054

約数列:

[1, 2, 7, 11, 14, 22, 77, 109, 154, 218, 763, 1199, 1526, 2398, 8393, 16786, 1221421, 2442842, 8549947, 13435631, 17099894, 26871262, 94049417, 133134889, 188098834, 266269778, 931944223, 1464483779, 1863888446, 2928967558, 10251386453, 20502772906]

約数ペア:

[(1, 20502772906), (2, 10251386453), (7, 2928967558), (11, 1863888446), (14, 1464483779), (22, 931944223), (77, 266269778), (109, 188098834), (154, 133134889), (218, 94049417), (763, 26871262), (1199, 17099894), (1526, 13435631), (2398, 8549947), (8393, 2442842), (16786, 1221421)]