20489092

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{1129}}^1$

素因数の和:1495

約数の個数: 24

約数和(自身を含む): 38759000

約数和(自身を除く): 18269908

約数列:

[1, 2, 4, 13, 26, 52, 349, 698, 1129, 1396, 2258, 4516, 4537, 9074, 14677, 18148, 29354, 58708, 394021, 788042, 1576084, 5122273, 10244546, 20489092]

約数ペア:

[(1, 20489092), (2, 10244546), (4, 5122273), (13, 1576084), (26, 788042), (52, 394021), (349, 58708), (698, 29354), (1129, 18148), (1396, 14677), (2258, 9074), (4516, 4537)]