20872770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40927}}^1$

素因数の和:40954

約数の個数: 32

約数和(自身を含む): 53042688

約数和(自身を除く): 32169918

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 40927, 81854, 122781, 204635, 245562, 409270, 613905, 695759, 1227810, 1391518, 2087277, 3478795, 4174554, 6957590, 10436385, 20872770]

約数ペア:

[(1, 20872770), (2, 10436385), (3, 6957590), (5, 4174554), (6, 3478795), (10, 2087277), (15, 1391518), (17, 1227810), (30, 695759), (34, 613905), (51, 409270), (85, 245562), (102, 204635), (170, 122781), (255, 81854), (510, 40927)]