20883168

素因数分解:

$2^5\times 3^2\times {\mathrm{59}}^1\times {\mathrm{1229}}^1$

素因数の和:1304

約数の個数: 72

約数和(自身を含む): 60442200

約数和(自身を除く): 39559032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 59, 72, 96, 118, 144, 177, 236, 288, 354, 472, 531, 708, 944, 1062, 1229, 1416, 1888, 2124, 2458, 2832, 3687, 4248, 4916, 5664, 7374, 8496, 9832, 11061, 14748, 16992, 19664, 22122, 29496, 39328, 44244, 58992, 72511, 88488, 117984, 145022, 176976, 217533, 290044, 353952, 435066, 580088, 652599, 870132, 1160176, 1305198, 1740264, 2320352, 2610396, 3480528, 5220792, 6961056, 10441584, 20883168]

約数ペア:

[(1, 20883168), (2, 10441584), (3, 6961056), (4, 5220792), (6, 3480528), (8, 2610396), (9, 2320352), (12, 1740264), (16, 1305198), (18, 1160176), (24, 870132), (32, 652599), (36, 580088), (48, 435066), (59, 353952), (72, 290044), (96, 217533), (118, 176976), (144, 145022), (177, 117984), (236, 88488), (288, 72511), (354, 58992), (472, 44244), (531, 39328), (708, 29496), (944, 22122), (1062, 19664), (1229, 16992), (1416, 14748), (1888, 11061), (2124, 9832), (2458, 8496), (2832, 7374), (3687, 5664), (4248, 4916)]