19552020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1423}}^1$

素因数の和:1664

約数の個数: 48

約数和(自身を含む): 55023360

約数和(自身を除く): 35471340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 229, 458, 687, 916, 1145, 1374, 1423, 2290, 2748, 2846, 3435, 4269, 4580, 5692, 6870, 7115, 8538, 13740, 14230, 17076, 21345, 28460, 42690, 85380, 325867, 651734, 977601, 1303468, 1629335, 1955202, 3258670, 3910404, 4888005, 6517340, 9776010, 19552020]

約数ペア:

[(1, 19552020), (2, 9776010), (3, 6517340), (4, 4888005), (5, 3910404), (6, 3258670), (10, 1955202), (12, 1629335), (15, 1303468), (20, 977601), (30, 651734), (60, 325867), (229, 85380), (458, 42690), (687, 28460), (916, 21345), (1145, 17076), (1374, 14230), (1423, 13740), (2290, 8538), (2748, 7115), (2846, 6870), (3435, 5692), (4269, 4580)]