20361747

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22549}}^1$

素因数の和:22602

約数の個数: 16

約数和(自身を含む): 31750400

約数和(自身を除く): 11388653

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22549, 67647, 157843, 473529, 969607, 2908821, 6787249, 20361747]

約数ペア:

[(1, 20361747), (3, 6787249), (7, 2908821), (21, 969607), (43, 473529), (129, 157843), (301, 67647), (903, 22549)]