20921296330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11187859}}^1$

素因数の和:11187894

約数の個数: 32

約数和(自身を含む): 43498399680

約数和(自身を除く): 22577103350

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 11187859, 22375718, 55939295, 111878590, 123066449, 190193603, 246132898, 380387206, 615332245, 950968015, 1230664490, 1901936030, 2092129633, 4184259266, 10460648165, 20921296330]

約数ペア:

[(1, 20921296330), (2, 10460648165), (5, 4184259266), (10, 2092129633), (11, 1901936030), (17, 1230664490), (22, 950968015), (34, 615332245), (55, 380387206), (85, 246132898), (110, 190193603), (170, 123066449), (187, 111878590), (374, 55939295), (935, 22375718), (1870, 11187859)]