20605624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{829}}^1$

素因数の和:1087

約数の個数: 32

約数和(自身を含む): 41832000

約数和(自身を除く): 21226376

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 239, 478, 829, 956, 1658, 1912, 3107, 3316, 6214, 6632, 10777, 12428, 21554, 24856, 43108, 86216, 198131, 396262, 792524, 1585048, 2575703, 5151406, 10302812, 20605624]

約数ペア:

[(1, 20605624), (2, 10302812), (4, 5151406), (8, 2575703), (13, 1585048), (26, 792524), (52, 396262), (104, 198131), (239, 86216), (478, 43108), (829, 24856), (956, 21554), (1658, 12428), (1912, 10777), (3107, 6632), (3316, 6214)]