20504890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17231}}^1$

素因数の和:17262

約数の個数: 32

約数和(自身を含む): 44665344

約数和(自身を除く): 24160454

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 17231, 34462, 86155, 120617, 172310, 241234, 292927, 585854, 603085, 1206170, 1464635, 2050489, 2929270, 4100978, 10252445, 20504890]

約数ペア:

[(1, 20504890), (2, 10252445), (5, 4100978), (7, 2929270), (10, 2050489), (14, 1464635), (17, 1206170), (34, 603085), (35, 585854), (70, 292927), (85, 241234), (119, 172310), (170, 120617), (238, 86155), (595, 34462), (1190, 17231)]