201906980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{917759}}^1$

素因数の和:917779

約数の個数: 24

約数和(自身を含む): 462551040

約数和(自身を除く): 260644060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 917759, 1835518, 3671036, 4588795, 9177590, 10095349, 18355180, 20190698, 40381396, 50476745, 100953490, 201906980]

約数ペア:

[(1, 201906980), (2, 100953490), (4, 50476745), (5, 40381396), (10, 20190698), (11, 18355180), (20, 10095349), (22, 9177590), (44, 4588795), (55, 3671036), (110, 1835518), (220, 917759)]