20786070504

素因数分解:

$2^3\times 3^1\times {\mathrm{691}}^1\times {\mathrm{1253381}}^1$

素因数の和:1254081

約数の個数: 32

約数和(自身を含む): 52040420640

約数和(自身を除く): 31254350136

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 691, 1382, 2073, 2764, 4146, 5528, 8292, 16584, 1253381, 2506762, 3760143, 5013524, 7520286, 10027048, 15040572, 30081144, 866086271, 1732172542, 2598258813, 3464345084, 5196517626, 6928690168, 10393035252, 20786070504]

約数ペア:

[(1, 20786070504), (2, 10393035252), (3, 6928690168), (4, 5196517626), (6, 3464345084), (8, 2598258813), (12, 1732172542), (24, 866086271), (691, 30081144), (1382, 15040572), (2073, 10027048), (2764, 7520286), (4146, 5013524), (5528, 3760143), (8292, 2506762), (16584, 1253381)]