20668860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{114827}}^1$

素因数の和:114842

約数の個数: 36

約数和(自身を含む): 62696088

約数和(自身を除く): 42027228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 114827, 229654, 344481, 459308, 574135, 688962, 1033443, 1148270, 1377924, 1722405, 2066886, 2296540, 3444810, 4133772, 5167215, 6889620, 10334430, 20668860]

約数ペア:

[(1, 20668860), (2, 10334430), (3, 6889620), (4, 5167215), (5, 4133772), (6, 3444810), (9, 2296540), (10, 2066886), (12, 1722405), (15, 1377924), (18, 1148270), (20, 1033443), (30, 688962), (36, 574135), (45, 459308), (60, 344481), (90, 229654), (180, 114827)]