20007910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11839}}^1$

素因数の和:11872

約数の個数: 24

約数和(自身を含む): 39000960

約数和(自身を除く): 18993050

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11839, 23678, 59195, 118390, 153907, 307814, 769535, 1539070, 2000791, 4001582, 10003955, 20007910]

約数ペア:

[(1, 20007910), (2, 10003955), (5, 4001582), (10, 2000791), (13, 1539070), (26, 769535), (65, 307814), (130, 153907), (169, 118390), (338, 59195), (845, 23678), (1690, 11839)]