20377812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18661}}^1$

素因数の和:18688

約数の個数: 48

約数和(自身を含む): 58524032

約数和(自身を除く): 38146220

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 18661, 37322, 55983, 74644, 111966, 130627, 223932, 242593, 261254, 391881, 485186, 522508, 727779, 783762, 970372, 1455558, 1567524, 1698151, 2911116, 3396302, 5094453, 6792604, 10188906, 20377812]

約数ペア:

[(1, 20377812), (2, 10188906), (3, 6792604), (4, 5094453), (6, 3396302), (7, 2911116), (12, 1698151), (13, 1567524), (14, 1455558), (21, 970372), (26, 783762), (28, 727779), (39, 522508), (42, 485186), (52, 391881), (78, 261254), (84, 242593), (91, 223932), (156, 130627), (182, 111966), (273, 74644), (364, 55983), (546, 37322), (1092, 18661)]