20380451845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2287}}^1\times {\mathrm{2917}}^1$

素因数の和:5269

約数の個数: 32

約数和(自身を含む): 26919180288

約数和(自身を除く): 6538728443

約数列:

[1, 5, 13, 47, 65, 235, 611, 2287, 2917, 3055, 11435, 14585, 29731, 37921, 107489, 137099, 148655, 189605, 537445, 685495, 1397357, 1782287, 6671179, 6986785, 8911435, 33355895, 86725327, 313545413, 433626635, 1567727065, 4076090369, 20380451845]

約数ペア:

[(1, 20380451845), (5, 4076090369), (13, 1567727065), (47, 433626635), (65, 313545413), (235, 86725327), (611, 33355895), (2287, 8911435), (2917, 6986785), (3055, 6671179), (11435, 1782287), (14585, 1397357), (29731, 685495), (37921, 537445), (107489, 189605), (137099, 148655)]