20097910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{16889}}^1$

素因数の和:16920

約数の個数: 32

約数和(自身を含む): 43778880

約数和(自身を除く): 23680970

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 16889, 33778, 84445, 118223, 168890, 236446, 287113, 574226, 591115, 1182230, 1435565, 2009791, 2871130, 4019582, 10048955, 20097910]

約数ペア:

[(1, 20097910), (2, 10048955), (5, 4019582), (7, 2871130), (10, 2009791), (14, 1435565), (17, 1182230), (34, 591115), (35, 574226), (70, 287113), (85, 236446), (119, 168890), (170, 118223), (238, 84445), (595, 33778), (1190, 16889)]