20123078992

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{521}}^1\times {\mathrm{13337}}^1$

素因数の和:14047

約数の個数: 40

約数和(自身を含む): 39282063912

約数和(自身を除く): 19158984920

約数列:

[1, 2, 4, 8, 16, 181, 362, 521, 724, 1042, 1448, 2084, 2896, 4168, 8336, 13337, 26674, 53348, 94301, 106696, 188602, 213392, 377204, 754408, 1508816, 2413997, 4827994, 6948577, 9655988, 13897154, 19311976, 27794308, 38623952, 55588616, 111177232, 1257692437, 2515384874, 5030769748, 10061539496, 20123078992]

約数ペア:

[(1, 20123078992), (2, 10061539496), (4, 5030769748), (8, 2515384874), (16, 1257692437), (181, 111177232), (362, 55588616), (521, 38623952), (724, 27794308), (1042, 19311976), (1448, 13897154), (2084, 9655988), (2896, 6948577), (4168, 4827994), (8336, 2413997), (13337, 1508816), (26674, 754408), (53348, 377204), (94301, 213392), (106696, 188602)]