20784294248

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{488261}}^1$

素因数の和:488597

約数の個数: 32

約数和(自身を含む): 41394852360

約数和(自身を除く): 20610558112

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 313, 626, 1252, 2504, 5321, 10642, 21284, 42568, 488261, 976522, 1953044, 3906088, 8300437, 16600874, 33201748, 66403496, 152825693, 305651386, 611302772, 1222605544, 2598036781, 5196073562, 10392147124, 20784294248]

約数ペア:

[(1, 20784294248), (2, 10392147124), (4, 5196073562), (8, 2598036781), (17, 1222605544), (34, 611302772), (68, 305651386), (136, 152825693), (313, 66403496), (626, 33201748), (1252, 16600874), (2504, 8300437), (5321, 3906088), (10642, 1953044), (21284, 976522), (42568, 488261)]