20387790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{226531}}^1$

素因数の和:226544

約数の個数: 24

約数和(自身を含む): 53008488

約数和(自身を除く): 32620698

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 226531, 453062, 679593, 1132655, 1359186, 2038779, 2265310, 3397965, 4077558, 6795930, 10193895, 20387790]

約数ペア:

[(1, 20387790), (2, 10193895), (3, 6795930), (5, 4077558), (6, 3397965), (9, 2265310), (10, 2038779), (15, 1359186), (18, 1132655), (30, 679593), (45, 453062), (90, 226531)]