15553616420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10953251}}^1$

素因数の和:10953331

約数の個数: 24

約数和(自身を含む): 33122634048

約数和(自身を除く): 17569017628

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 10953251, 21906502, 43813004, 54766255, 109532510, 219065020, 777680821, 1555361642, 3110723284, 3888404105, 7776808210, 15553616420]

約数ペア:

[(1, 15553616420), (2, 7776808210), (4, 3888404105), (5, 3110723284), (10, 1555361642), (20, 777680821), (71, 219065020), (142, 109532510), (284, 54766255), (355, 43813004), (710, 21906502), (1420, 10953251)]