38678820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{644647}}^1$

素因数の和:644659

約数の個数: 24

約数和(自身を含む): 108300864

約数和(自身を除く): 69622044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 644647, 1289294, 1933941, 2578588, 3223235, 3867882, 6446470, 7735764, 9669705, 12892940, 19339410, 38678820]

約数ペア:

[(1, 38678820), (2, 19339410), (3, 12892940), (4, 9669705), (5, 7735764), (6, 6446470), (10, 3867882), (12, 3223235), (15, 2578588), (20, 1933941), (30, 1289294), (60, 644647)]