20232023

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 25080672

約数和(自身を除く): 4848649

約数列:

[1, 7, 17, 73, 119, 137, 289, 511, 959, 1241, 2023, 2329, 8687, 10001, 16303, 21097, 39593, 70007, 147679, 170017, 277151, 1190119, 2890289, 20232023]

約数ペア:

[(1, 20232023), (7, 2890289), (17, 1190119), (73, 277151), (119, 170017), (137, 147679), (289, 70007), (511, 39593), (959, 21097), (1241, 16303), (2023, 10001), (2329, 8687)]