20790719551

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{83}}^2\times {\mathrm{3623}}^1$

素因数の和:3820

約数の個数: 36

約数和(自身を含む): 25927175952

約数和(自身を除く): 5136456401

約数列:

[1, 7, 17, 49, 83, 119, 581, 833, 1411, 3623, 4067, 6889, 9877, 25361, 48223, 61591, 69139, 117113, 177527, 300709, 337561, 431137, 819791, 2104963, 3017959, 5112053, 5738537, 14734741, 24958847, 35784371, 174711929, 250490597, 424300399, 1222983503, 2970102793, 20790719551]

約数ペア:

[(1, 20790719551), (7, 2970102793), (17, 1222983503), (49, 424300399), (83, 250490597), (119, 174711929), (581, 35784371), (833, 24958847), (1411, 14734741), (3623, 5738537), (4067, 5112053), (6889, 3017959), (9877, 2104963), (25361, 819791), (48223, 431137), (61591, 337561), (69139, 300709), (117113, 177527)]