20984786

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{4703}}^1$

素因数の和:4825

約数の個数: 16

約数和(自身を含む): 33191424

約数和(自身を除く): 12206638

約数列:

[1, 2, 23, 46, 97, 194, 2231, 4462, 4703, 9406, 108169, 216338, 456191, 912382, 10492393, 20984786]

約数ペア:

[(1, 20984786), (2, 10492393), (23, 912382), (46, 456191), (97, 216338), (194, 108169), (2231, 9406), (4462, 4703)]