12686420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37313}}^1$

素因数の和:37339

約数の個数: 24

約数和(自身を含む): 28209384

約数和(自身を除く): 15522964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 37313, 74626, 149252, 186565, 373130, 634321, 746260, 1268642, 2537284, 3171605, 6343210, 12686420]

約数ペア:

[(1, 12686420), (2, 6343210), (4, 3171605), (5, 2537284), (10, 1268642), (17, 746260), (20, 634321), (34, 373130), (68, 186565), (85, 149252), (170, 74626), (340, 37313)]