20490992

素因数分解:

$2^4\times {\mathrm{739}}^1\times {\mathrm{1733}}^1$

素因数の和:2480

約数の個数: 20

約数和(自身を含む): 39777960

約数和(自身を除く): 19286968

約数列:

[1, 2, 4, 8, 16, 739, 1478, 1733, 2956, 3466, 5912, 6932, 11824, 13864, 27728, 1280687, 2561374, 5122748, 10245496, 20490992]

約数ペア:

[(1, 20490992), (2, 10245496), (4, 5122748), (8, 2561374), (16, 1280687), (739, 27728), (1478, 13864), (1733, 11824), (2956, 6932), (3466, 5912)]