20172888892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{9871}}^1\times {\mathrm{39301}}^1$

素因数の和:49189

約数の個数: 24

約数和(自身を含む): 38022955712

約数和(自身を除く): 17850066820

約数列:

[1, 2, 4, 13, 26, 52, 9871, 19742, 39301, 39484, 78602, 128323, 157204, 256646, 510913, 513292, 1021826, 2043652, 387940171, 775880342, 1551760684, 5043222223, 10086444446, 20172888892]

約数ペア:

[(1, 20172888892), (2, 10086444446), (4, 5043222223), (13, 1551760684), (26, 775880342), (52, 387940171), (9871, 2043652), (19742, 1021826), (39301, 513292), (39484, 510913), (78602, 256646), (128323, 157204)]