19950580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76733}}^1$

素因数の和:76755

約数の個数: 24

約数和(自身を含む): 45119592

約数和(自身を除く): 25169012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 76733, 153466, 306932, 383665, 767330, 997529, 1534660, 1995058, 3990116, 4987645, 9975290, 19950580]

約数ペア:

[(1, 19950580), (2, 9975290), (4, 4987645), (5, 3990116), (10, 1995058), (13, 1534660), (20, 997529), (26, 767330), (52, 383665), (65, 306932), (130, 153466), (260, 76733)]