20708403

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{5431}}^1$

素因数の和:5506

約数の個数: 16

約数和(自身を含む): 29202432

約数和(自身を除く): 8494029

約数列:

[1, 3, 31, 41, 93, 123, 1271, 3813, 5431, 16293, 168361, 222671, 505083, 668013, 6902801, 20708403]

約数ペア:

[(1, 20708403), (3, 6902801), (31, 668013), (41, 505083), (93, 222671), (123, 168361), (1271, 16293), (3813, 5431)]