20571750356

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{281}}^1\times {\mathrm{131671}}^1$

素因数の和:132095

約数の個数: 24

約数和(自身を含む): 36388873920

約数和(自身を除く): 15817123564

約数列:

[1, 2, 4, 139, 278, 281, 556, 562, 1124, 39059, 78118, 131671, 156236, 263342, 526684, 18302269, 36604538, 36999551, 73209076, 73999102, 147998204, 5142937589, 10285875178, 20571750356]

約数ペア:

[(1, 20571750356), (2, 10285875178), (4, 5142937589), (139, 147998204), (278, 73999102), (281, 73209076), (556, 36999551), (562, 36604538), (1124, 18302269), (39059, 526684), (78118, 263342), (131671, 156236)]