20928085154

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{569}}^1\times {\mathrm{13259}}^1$

素因数の和:13922

約数の個数: 32

約数和(自身を含む): 33558408000

約数和(自身を除く): 12630322846

約数列:

[1, 2, 19, 38, 73, 146, 569, 1138, 1387, 2774, 10811, 13259, 21622, 26518, 41537, 83074, 251921, 503842, 789203, 967907, 1578406, 1935814, 7544371, 15088742, 18390233, 36780466, 143343049, 286686098, 550739083, 1101478166, 10464042577, 20928085154]

約数ペア:

[(1, 20928085154), (2, 10464042577), (19, 1101478166), (38, 550739083), (73, 286686098), (146, 143343049), (569, 36780466), (1138, 18390233), (1387, 15088742), (2774, 7544371), (10811, 1935814), (13259, 1578406), (21622, 967907), (26518, 789203), (41537, 503842), (83074, 251921)]