20129828

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{1789}}^1$

素因数の和:1919

約数の個数: 24

約数和(自身を含む): 36838200

約数和(自身を除く): 16708372

約数列:

[1, 2, 4, 29, 58, 97, 116, 194, 388, 1789, 2813, 3578, 5626, 7156, 11252, 51881, 103762, 173533, 207524, 347066, 694132, 5032457, 10064914, 20129828]

約数ペア:

[(1, 20129828), (2, 10064914), (4, 5032457), (29, 694132), (58, 347066), (97, 207524), (116, 173533), (194, 103762), (388, 51881), (1789, 11252), (2813, 7156), (3578, 5626)]