20802464

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{10657}}^1$

素因数の和:10728

約数の個数: 24

約数和(自身を含む): 41630148

約数和(自身を除く): 20827684

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 10657, 21314, 42628, 85256, 170512, 341024, 650077, 1300154, 2600308, 5200616, 10401232, 20802464]

約数ペア:

[(1, 20802464), (2, 10401232), (4, 5200616), (8, 2600308), (16, 1300154), (32, 650077), (61, 341024), (122, 170512), (244, 85256), (488, 42628), (976, 21314), (1952, 10657)]