20811910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17489}}^1$

素因数の和:17520

約数の個数: 32

約数和(自身を含む): 45334080

約数和(自身を除く): 24522170

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 17489, 34978, 87445, 122423, 174890, 244846, 297313, 594626, 612115, 1224230, 1486565, 2081191, 2973130, 4162382, 10405955, 20811910]

約数ペア:

[(1, 20811910), (2, 10405955), (5, 4162382), (7, 2973130), (10, 2081191), (14, 1486565), (17, 1224230), (34, 612115), (35, 594626), (70, 297313), (85, 244846), (119, 174890), (170, 122423), (238, 87445), (595, 34978), (1190, 17489)]