20259270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1381}}^1$

素因数の和:1557

約数の個数: 48

約数和(自身を含む): 53035632

約数和(自身を除く): 32776362

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 163, 326, 489, 815, 978, 1381, 1467, 1630, 2445, 2762, 2934, 4143, 4890, 6905, 7335, 8286, 12429, 13810, 14670, 20715, 24858, 41430, 62145, 124290, 225103, 450206, 675309, 1125515, 1350618, 2025927, 2251030, 3376545, 4051854, 6753090, 10129635, 20259270]

約数ペア:

[(1, 20259270), (2, 10129635), (3, 6753090), (5, 4051854), (6, 3376545), (9, 2251030), (10, 2025927), (15, 1350618), (18, 1125515), (30, 675309), (45, 450206), (90, 225103), (163, 124290), (326, 62145), (489, 41430), (815, 24858), (978, 20715), (1381, 14670), (1467, 13810), (1630, 12429), (2445, 8286), (2762, 7335), (2934, 6905), (4143, 4890)]