20845461

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2633}}^1$

素因数の和:2685

約数の個数: 32

約数和(自身を含む): 35400960

約数和(自身を除く): 14555499

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2633, 2639, 7899, 7917, 18431, 34229, 55293, 76357, 102687, 229071, 239603, 534499, 718809, 992641, 1603497, 2977923, 6948487, 20845461]

約数ペア:

[(1, 20845461), (3, 6948487), (7, 2977923), (13, 1603497), (21, 992641), (29, 718809), (39, 534499), (87, 239603), (91, 229071), (203, 102687), (273, 76357), (377, 55293), (609, 34229), (1131, 18431), (2633, 7917), (2639, 7899)]