20487660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{341461}}^1$

素因数の和:341473

約数の個数: 24

約数和(自身を含む): 57365616

約数和(自身を除く): 36877956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 341461, 682922, 1024383, 1365844, 1707305, 2048766, 3414610, 4097532, 5121915, 6829220, 10243830, 20487660]

約数ペア:

[(1, 20487660), (2, 10243830), (3, 6829220), (4, 5121915), (5, 4097532), (6, 3414610), (10, 2048766), (12, 1707305), (15, 1365844), (20, 1024383), (30, 682922), (60, 341461)]