20164223515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{491}}^1\times {\mathrm{1217}}^1$

素因数の和:2127

約数の個数: 32

約数和(自身を含む): 25758419904

約数和(自身を除く): 5594196389

約数列:

[1, 5, 17, 85, 397, 491, 1217, 1985, 2455, 6085, 6749, 8347, 20689, 33745, 41735, 103445, 194927, 483149, 597547, 974635, 2415745, 2987735, 3313759, 8213533, 10158299, 16568795, 41067665, 50791495, 237226159, 1186130795, 4032844703, 20164223515]

約数ペア:

[(1, 20164223515), (5, 4032844703), (17, 1186130795), (85, 237226159), (397, 50791495), (491, 41067665), (1217, 16568795), (1985, 10158299), (2455, 8213533), (6085, 3313759), (6749, 2987735), (8347, 2415745), (20689, 974635), (33745, 597547), (41735, 483149), (103445, 194927)]