20425941385

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{773}}^1\times {\mathrm{1129}}^1$

素因数の和:2089

約数の個数: 32

約数和(自身を含む): 25524910080

約数和(自身を除く): 5098968695

約数列:

[1, 5, 31, 151, 155, 755, 773, 1129, 3865, 4681, 5645, 23405, 23963, 34999, 116723, 119815, 170479, 174995, 583615, 852395, 872717, 3618413, 4363585, 5284849, 18092065, 26424245, 27054227, 131780267, 135271135, 658901335, 4085188277, 20425941385]

約数ペア:

[(1, 20425941385), (5, 4085188277), (31, 658901335), (151, 135271135), (155, 131780267), (755, 27054227), (773, 26424245), (1129, 18092065), (3865, 5284849), (4681, 4363585), (5645, 3618413), (23405, 872717), (23963, 852395), (34999, 583615), (116723, 174995), (119815, 170479)]