20389620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{339827}}^1$

素因数の和:339839

約数の個数: 24

約数和(自身を含む): 57091104

約数和(自身を除く): 36701484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 339827, 679654, 1019481, 1359308, 1699135, 2038962, 3398270, 4077924, 5097405, 6796540, 10194810, 20389620]

約数ペア:

[(1, 20389620), (2, 10194810), (3, 6796540), (4, 5097405), (5, 4077924), (6, 3398270), (10, 2038962), (12, 1699135), (15, 1359308), (20, 1019481), (30, 679654), (60, 339827)]