20988364

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{877}}^1$

素因数の和:1105

約数の個数: 24

約数和(自身を含む): 38154368

約数和(自身を除く): 17166004

約数列:

[1, 2, 4, 31, 62, 124, 193, 386, 772, 877, 1754, 3508, 5983, 11966, 23932, 27187, 54374, 108748, 169261, 338522, 677044, 5247091, 10494182, 20988364]

約数ペア:

[(1, 20988364), (2, 10494182), (4, 5247091), (31, 677044), (62, 338522), (124, 169261), (193, 108748), (386, 54374), (772, 27187), (877, 23932), (1754, 11966), (3508, 5983)]