20604872

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{991}}^1$

素因数の和:1133

約数の個数: 32

約数和(自身を含む): 40711680

約数和(自身を除く): 20106808

約数列:

[1, 2, 4, 8, 23, 46, 92, 113, 184, 226, 452, 904, 991, 1982, 2599, 3964, 5198, 7928, 10396, 20792, 22793, 45586, 91172, 111983, 182344, 223966, 447932, 895864, 2575609, 5151218, 10302436, 20604872]

約数ペア:

[(1, 20604872), (2, 10302436), (4, 5151218), (8, 2575609), (23, 895864), (46, 447932), (92, 223966), (113, 182344), (184, 111983), (226, 91172), (452, 45586), (904, 22793), (991, 20792), (1982, 10396), (2599, 7928), (3964, 5198)]