20495349836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{5003}}^1\times {\mathrm{78781}}^1$

素因数の和:83801

約数の個数: 24

約数和(自身を含む): 38634062544

約数和(自身を除く): 18138712708

約数列:

[1, 2, 4, 13, 26, 52, 5003, 10006, 20012, 65039, 78781, 130078, 157562, 260156, 315124, 1024153, 2048306, 4096612, 394141343, 788282686, 1576565372, 5123837459, 10247674918, 20495349836]

約数ペア:

[(1, 20495349836), (2, 10247674918), (4, 5123837459), (13, 1576565372), (26, 788282686), (52, 394141343), (5003, 4096612), (10006, 2048306), (20012, 1024153), (65039, 315124), (78781, 260156), (130078, 157562)]