20271394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{70879}}^1$

素因数の和:70905

約数の個数: 16

約数和(自身を含む): 35723520

約数和(自身を除く): 15452126

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 70879, 141758, 779669, 921427, 1559338, 1842854, 10135697, 20271394]

約数ペア:

[(1, 20271394), (2, 10135697), (11, 1842854), (13, 1559338), (22, 921427), (26, 779669), (143, 141758), (286, 70879)]