20163978256

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74132273}}^1$

素因数の和:74132298

約数の個数: 20

約数和(自身を含む): 41365808892

約数和(自身を除く): 21201830636

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74132273, 148264546, 296529092, 593058184, 1186116368, 1260248641, 2520497282, 5040994564, 10081989128, 20163978256]

約数ペア:

[(1, 20163978256), (2, 10081989128), (4, 5040994564), (8, 2520497282), (16, 1260248641), (17, 1186116368), (34, 593058184), (68, 296529092), (136, 148264546), (272, 74132273)]