20099030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9901}}^1$

素因数の和:9944

約数の個数: 32

約数和(自身を含む): 42776640

約数和(自身を除く): 22677610

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 9901, 19802, 49505, 69307, 99010, 138614, 287129, 346535, 574258, 693070, 1435645, 2009903, 2871290, 4019806, 10049515, 20099030]

約数ペア:

[(1, 20099030), (2, 10049515), (5, 4019806), (7, 2871290), (10, 2009903), (14, 1435645), (29, 693070), (35, 574258), (58, 346535), (70, 287129), (145, 138614), (203, 99010), (290, 69307), (406, 49505), (1015, 19802), (2030, 9901)]