20820330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3169}}^1$

素因数の和:3255

約数の個数: 48

約数和(自身を含む): 54891720

約数和(自身を除く): 34071390

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 73, 90, 146, 219, 365, 438, 657, 730, 1095, 1314, 2190, 3169, 3285, 6338, 6570, 9507, 15845, 19014, 28521, 31690, 47535, 57042, 95070, 142605, 231337, 285210, 462674, 694011, 1156685, 1388022, 2082033, 2313370, 3470055, 4164066, 6940110, 10410165, 20820330]

約数ペア:

[(1, 20820330), (2, 10410165), (3, 6940110), (5, 4164066), (6, 3470055), (9, 2313370), (10, 2082033), (15, 1388022), (18, 1156685), (30, 694011), (45, 462674), (73, 285210), (90, 231337), (146, 142605), (219, 95070), (365, 57042), (438, 47535), (657, 31690), (730, 28521), (1095, 19014), (1314, 15845), (2190, 9507), (3169, 6570), (3285, 6338)]