20861024

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{10687}}^1$

素因数の和:10758

約数の個数: 24

約数和(自身を含む): 41747328

約数和(自身を除く): 20886304

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 10687, 21374, 42748, 85496, 170992, 341984, 651907, 1303814, 2607628, 5215256, 10430512, 20861024]

約数ペア:

[(1, 20861024), (2, 10430512), (4, 5215256), (8, 2607628), (16, 1303814), (32, 651907), (61, 341984), (122, 170992), (244, 85496), (488, 42748), (976, 21374), (1952, 10687)]