20565576008

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{2393}}^1\times {\mathrm{20269}}^1$

素因数の和:22721

約数の個数: 32

約数和(自身を含む): 39306367800

約数和(自身を除く): 18740791792

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 2393, 4786, 9572, 19144, 20269, 40538, 81076, 126829, 162152, 253658, 507316, 1014632, 1074257, 2148514, 4297028, 8594056, 48503717, 97007434, 194014868, 388029736, 2570697001, 5141394002, 10282788004, 20565576008]

約数ペア:

[(1, 20565576008), (2, 10282788004), (4, 5141394002), (8, 2570697001), (53, 388029736), (106, 194014868), (212, 97007434), (424, 48503717), (2393, 8594056), (4786, 4297028), (9572, 2148514), (19144, 1074257), (20269, 1014632), (40538, 507316), (81076, 253658), (126829, 162152)]