20224455

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2447}}^1$

素因数の和:2503

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 15026745

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 285, 435, 551, 1653, 2447, 2755, 7341, 8265, 12235, 36705, 46493, 70963, 139479, 212889, 232465, 354815, 697395, 1064445, 1348297, 4044891, 6741485, 20224455]

約数ペア:

[(1, 20224455), (3, 6741485), (5, 4044891), (15, 1348297), (19, 1064445), (29, 697395), (57, 354815), (87, 232465), (95, 212889), (145, 139479), (285, 70963), (435, 46493), (551, 36705), (1653, 12235), (2447, 8265), (2755, 7341)]