20663356

素因数分解:

$2^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{3251}}^1$

素因数の和:3489

約数の個数: 24

約数和(自身を含む): 41521536

約数和(自身を除く): 20858180

約数列:

[1, 2, 4, 7, 14, 28, 227, 454, 908, 1589, 3178, 3251, 6356, 6502, 13004, 22757, 45514, 91028, 737977, 1475954, 2951908, 5165839, 10331678, 20663356]

約数ペア:

[(1, 20663356), (2, 10331678), (4, 5165839), (7, 2951908), (14, 1475954), (28, 737977), (227, 91028), (454, 45514), (908, 22757), (1589, 13004), (3178, 6502), (3251, 6356)]