16979420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{9539}}^1$

素因数の和:9637

約数の個数: 24

約数和(自身を含む): 36061200

約数和(自身を除く): 19081780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 9539, 19078, 38156, 47695, 95390, 190780, 848971, 1697942, 3395884, 4244855, 8489710, 16979420]

約数ペア:

[(1, 16979420), (2, 8489710), (4, 4244855), (5, 3395884), (10, 1697942), (20, 848971), (89, 190780), (178, 95390), (356, 47695), (445, 38156), (890, 19078), (1780, 9539)]