20187318540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2064143}}^1$

素因数の和:2064318

約数の個数: 48

約数和(自身を含む): 56871295488

約数和(自身を除く): 36683976948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2445, 3260, 4890, 9780, 2064143, 4128286, 6192429, 8256572, 10320715, 12384858, 20641430, 24769716, 30962145, 41282860, 61924290, 123848580, 336455309, 672910618, 1009365927, 1345821236, 1682276545, 2018731854, 3364553090, 4037463708, 5046829635, 6729106180, 10093659270, 20187318540]

約数ペア:

[(1, 20187318540), (2, 10093659270), (3, 6729106180), (4, 5046829635), (5, 4037463708), (6, 3364553090), (10, 2018731854), (12, 1682276545), (15, 1345821236), (20, 1009365927), (30, 672910618), (60, 336455309), (163, 123848580), (326, 61924290), (489, 41282860), (652, 30962145), (815, 24769716), (978, 20641430), (1630, 12384858), (1956, 10320715), (2445, 8256572), (3260, 6192429), (4890, 4128286), (9780, 2064143)]