20434980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{340583}}^1$

素因数の和:340595

約数の個数: 24

約数和(自身を含む): 57218112

約数和(自身を除く): 36783132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 340583, 681166, 1021749, 1362332, 1702915, 2043498, 3405830, 4086996, 5108745, 6811660, 10217490, 20434980]

約数ペア:

[(1, 20434980), (2, 10217490), (3, 6811660), (4, 5108745), (5, 4086996), (6, 3405830), (10, 2043498), (12, 1702915), (15, 1362332), (20, 1021749), (30, 681166), (60, 340583)]