20942116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{773}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 39594744

約数和(自身を除く): 18652628

約数列:

[1, 2, 4, 13, 26, 52, 521, 773, 1042, 1546, 2084, 3092, 6773, 10049, 13546, 20098, 27092, 40196, 402733, 805466, 1610932, 5235529, 10471058, 20942116]

約数ペア:

[(1, 20942116), (2, 10471058), (4, 5235529), (13, 1610932), (26, 805466), (52, 402733), (521, 40196), (773, 27092), (1042, 20098), (1546, 13546), (2084, 10049), (3092, 6773)]