20563438

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12343}}^1$

素因数の和:12376

約数の個数: 24

約数和(自身を含む): 37994832

約数和(自身を除く): 17431394

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 12343, 24686, 86401, 172802, 209831, 419662, 604807, 1209614, 1468817, 2937634, 10281719, 20563438]

約数ペア:

[(1, 20563438), (2, 10281719), (7, 2937634), (14, 1468817), (17, 1209614), (34, 604807), (49, 419662), (98, 209831), (119, 172802), (238, 86401), (833, 24686), (1666, 12343)]