20461984

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{20627}}^1$

素因数の和:20668

約数の個数: 24

約数和(自身を含む): 41586048

約数和(自身を除く): 21124064

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 20627, 41254, 82508, 165016, 330032, 639437, 660064, 1278874, 2557748, 5115496, 10230992, 20461984]

約数ペア:

[(1, 20461984), (2, 10230992), (4, 5115496), (8, 2557748), (16, 1278874), (31, 660064), (32, 639437), (62, 330032), (124, 165016), (248, 82508), (496, 41254), (992, 20627)]