20870940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{347849}}^1$

素因数の和:347861

約数の個数: 24

約数和(自身を含む): 58438800

約数和(自身を除く): 37567860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 347849, 695698, 1043547, 1391396, 1739245, 2087094, 3478490, 4174188, 5217735, 6956980, 10435470, 20870940]

約数ペア:

[(1, 20870940), (2, 10435470), (3, 6956980), (4, 5217735), (5, 4174188), (6, 3478490), (10, 2087094), (12, 1739245), (15, 1391396), (20, 1043547), (30, 695698), (60, 347849)]