20002416

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1009}}^1$

素因数の和:1086

約数の個数: 80

約数和(自身を含む): 60115200

約数和(自身を除く): 40112784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 59, 84, 112, 118, 168, 177, 236, 336, 354, 413, 472, 708, 826, 944, 1009, 1239, 1416, 1652, 2018, 2478, 2832, 3027, 3304, 4036, 4956, 6054, 6608, 7063, 8072, 9912, 12108, 14126, 16144, 19824, 21189, 24216, 28252, 42378, 48432, 56504, 59531, 84756, 113008, 119062, 169512, 178593, 238124, 339024, 357186, 416717, 476248, 714372, 833434, 952496, 1250151, 1428744, 1666868, 2500302, 2857488, 3333736, 5000604, 6667472, 10001208, 20002416]

約数ペア:

[(1, 20002416), (2, 10001208), (3, 6667472), (4, 5000604), (6, 3333736), (7, 2857488), (8, 2500302), (12, 1666868), (14, 1428744), (16, 1250151), (21, 952496), (24, 833434), (28, 714372), (42, 476248), (48, 416717), (56, 357186), (59, 339024), (84, 238124), (112, 178593), (118, 169512), (168, 119062), (177, 113008), (236, 84756), (336, 59531), (354, 56504), (413, 48432), (472, 42378), (708, 28252), (826, 24216), (944, 21189), (1009, 19824), (1239, 16144), (1416, 14126), (1652, 12108), (2018, 9912), (2478, 8072), (2832, 7063), (3027, 6608), (3304, 6054), (4036, 4956)]