20955129

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{941}}^1$

素因数の和:1528

約数の個数: 16

約数和(自身を含む): 30174144

約数和(自身を除く): 9219015

約数列:

[1, 3, 13, 39, 571, 941, 1713, 2823, 7423, 12233, 22269, 36699, 537311, 1611933, 6985043, 20955129]

約数ペア:

[(1, 20955129), (3, 6985043), (13, 1611933), (39, 537311), (571, 36699), (941, 22269), (1713, 12233), (2823, 7423)]