15958420

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6091}}^1$

素因数の和:6231

約数の個数: 24

約数和(自身を含む): 33774048

約数和(自身を除く): 17815628

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 6091, 12182, 24364, 30455, 60910, 121820, 797921, 1595842, 3191684, 3989605, 7979210, 15958420]

約数ペア:

[(1, 15958420), (2, 7979210), (4, 3989605), (5, 3191684), (10, 1595842), (20, 797921), (131, 121820), (262, 60910), (524, 30455), (655, 24364), (1310, 12182), (2620, 6091)]