20855070

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25747}}^1$

素因数の和:25766

約数の個数: 40

約数和(自身を含む): 56079144

約数和(自身を除く): 35224074

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25747, 51494, 77241, 128735, 154482, 231723, 257470, 386205, 463446, 695169, 772410, 1158615, 1390338, 2085507, 2317230, 3475845, 4171014, 6951690, 10427535, 20855070]

約数ペア:

[(1, 20855070), (2, 10427535), (3, 6951690), (5, 4171014), (6, 3475845), (9, 2317230), (10, 2085507), (15, 1390338), (18, 1158615), (27, 772410), (30, 695169), (45, 463446), (54, 386205), (81, 257470), (90, 231723), (135, 154482), (162, 128735), (270, 77241), (405, 51494), (810, 25747)]