20809432

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11987}}^1$

素因数の和:12031

約数の個数: 32

約数和(自身を含む): 46033920

約数和(自身を除く): 25224488

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 11987, 23974, 47948, 83909, 95896, 167818, 335636, 371597, 671272, 743194, 1486388, 2601179, 2972776, 5202358, 10404716, 20809432]

約数ペア:

[(1, 20809432), (2, 10404716), (4, 5202358), (7, 2972776), (8, 2601179), (14, 1486388), (28, 743194), (31, 671272), (56, 371597), (62, 335636), (124, 167818), (217, 95896), (248, 83909), (434, 47948), (868, 23974), (1736, 11987)]