20604865220

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{461}}^1\times {\mathrm{19777}}^1$

素因数の和:20360

約数の個数: 48

約数和(自身を含む): 43750043568

約数和(自身を除く): 23145178348

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 461, 565, 922, 1130, 1844, 2260, 2305, 4610, 9220, 19777, 39554, 52093, 79108, 98885, 104186, 197770, 208372, 260465, 395540, 520930, 1041860, 2234801, 4469602, 8939204, 9117197, 11174005, 18234394, 22348010, 36468788, 44696020, 45585985, 91171970, 182343940, 1030243261, 2060486522, 4120973044, 5151216305, 10302432610, 20604865220]

約数ペア:

[(1, 20604865220), (2, 10302432610), (4, 5151216305), (5, 4120973044), (10, 2060486522), (20, 1030243261), (113, 182343940), (226, 91171970), (452, 45585985), (461, 44696020), (565, 36468788), (922, 22348010), (1130, 18234394), (1844, 11174005), (2260, 9117197), (2305, 8939204), (4610, 4469602), (9220, 2234801), (19777, 1041860), (39554, 520930), (52093, 395540), (79108, 260465), (98885, 208372), (104186, 197770)]