20443642

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{1259}}^1$

素因数の和:1637

約数の個数: 16

約数和(自身を含む): 32114880

約数和(自身を除く): 11671238

約数列:

[1, 2, 23, 46, 353, 706, 1259, 2518, 8119, 16238, 28957, 57914, 444427, 888854, 10221821, 20443642]

約数ペア:

[(1, 20443642), (2, 10221821), (23, 888854), (46, 444427), (353, 57914), (706, 28957), (1259, 16238), (2518, 8119)]