19837680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82657}}^1$

素因数の和:82673

約数の個数: 40

約数和(自身を含む): 61497552

約数和(自身を除く): 41659872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82657, 165314, 247971, 330628, 413285, 495942, 661256, 826570, 991884, 1239855, 1322512, 1653140, 1983768, 2479710, 3306280, 3967536, 4959420, 6612560, 9918840, 19837680]

約数ペア:

[(1, 19837680), (2, 9918840), (3, 6612560), (4, 4959420), (5, 3967536), (6, 3306280), (8, 2479710), (10, 1983768), (12, 1653140), (15, 1322512), (16, 1239855), (20, 991884), (24, 826570), (30, 661256), (40, 495942), (48, 413285), (60, 330628), (80, 247971), (120, 165314), (240, 82657)]