20555626

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2131}}^1$

素因数の和:2206

約数の個数: 32

約数和(自身を含む): 38683008

約数和(自身を除く): 18127382

約数列:

[1, 2, 7, 13, 14, 26, 53, 91, 106, 182, 371, 689, 742, 1378, 2131, 4262, 4823, 9646, 14917, 27703, 29834, 55406, 112943, 193921, 225886, 387842, 790601, 1468259, 1581202, 2936518, 10277813, 20555626]

約数ペア:

[(1, 20555626), (2, 10277813), (7, 2936518), (13, 1581202), (14, 1468259), (26, 790601), (53, 387842), (91, 225886), (106, 193921), (182, 112943), (371, 55406), (689, 29834), (742, 27703), (1378, 14917), (2131, 9646), (4262, 4823)]