20816340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{346939}}^1$

素因数の和:346951

約数の個数: 24

約数和(自身を含む): 58285920

約数和(自身を除く): 37469580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 346939, 693878, 1040817, 1387756, 1734695, 2081634, 3469390, 4163268, 5204085, 6938780, 10408170, 20816340]

約数ペア:

[(1, 20816340), (2, 10408170), (3, 6938780), (4, 5204085), (5, 4163268), (6, 3469390), (10, 2081634), (12, 1734695), (15, 1387756), (20, 1040817), (30, 693878), (60, 346939)]