20907664

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{35317}}^1$

素因数の和:35362

約数の個数: 20

約数和(自身を含む): 41604604

約数和(自身を除く): 20696940

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 35317, 70634, 141268, 282536, 565072, 1306729, 2613458, 5226916, 10453832, 20907664]

約数ペア:

[(1, 20907664), (2, 10453832), (4, 5226916), (8, 2613458), (16, 1306729), (37, 565072), (74, 282536), (148, 141268), (296, 70634), (592, 35317)]