20046260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77101}}^1$

素因数の和:77123

約数の個数: 24

約数和(自身を含む): 45335976

約数和(自身を除く): 25289716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77101, 154202, 308404, 385505, 771010, 1002313, 1542020, 2004626, 4009252, 5011565, 10023130, 20046260]

約数ペア:

[(1, 20046260), (2, 10023130), (4, 5011565), (5, 4009252), (10, 2004626), (13, 1542020), (20, 1002313), (26, 771010), (52, 385505), (65, 308404), (130, 154202), (260, 77101)]