20143587

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:854

約数の個数: 16

約数和(自身を含む): 27649440

約数和(自身を除く): 7505853

約数列:

[1, 3, 41, 123, 389, 421, 1167, 1263, 15949, 17261, 47847, 51783, 163769, 491307, 6714529, 20143587]

約数ペア:

[(1, 20143587), (3, 6714529), (41, 491307), (123, 163769), (389, 51783), (421, 47847), (1167, 17261), (1263, 15949)]