20124992420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77403817}}^1$

素因数の和:77403839

約数の個数: 24

約数和(自身を含む): 45513444984

約数和(自身を除く): 25388452564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77403817, 154807634, 309615268, 387019085, 774038170, 1006249621, 1548076340, 2012499242, 4024998484, 5031248105, 10062496210, 20124992420]

約数ペア:

[(1, 20124992420), (2, 10062496210), (4, 5031248105), (5, 4024998484), (10, 2012499242), (13, 1548076340), (20, 1006249621), (26, 774038170), (52, 387019085), (65, 309615268), (130, 154807634), (260, 77403817)]