20135990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{16921}}^1$

素因数の和:16952

約数の個数: 32

約数和(自身を含む): 43861824

約数和(自身を除く): 23725834

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 16921, 33842, 84605, 118447, 169210, 236894, 287657, 575314, 592235, 1184470, 1438285, 2013599, 2876570, 4027198, 10067995, 20135990]

約数ペア:

[(1, 20135990), (2, 10067995), (5, 4027198), (7, 2876570), (10, 2013599), (14, 1438285), (17, 1184470), (34, 592235), (35, 575314), (70, 287657), (85, 236894), (119, 169210), (170, 118447), (238, 84605), (595, 33842), (1190, 16921)]