20134984

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{953}}^1$

素因数の和:1117

約数の個数: 32

約数和(自身を含む): 40068000

約数和(自身を除く): 19933016

約数列:

[1, 2, 4, 8, 19, 38, 76, 139, 152, 278, 556, 953, 1112, 1906, 2641, 3812, 5282, 7624, 10564, 18107, 21128, 36214, 72428, 132467, 144856, 264934, 529868, 1059736, 2516873, 5033746, 10067492, 20134984]

約数ペア:

[(1, 20134984), (2, 10067492), (4, 5033746), (8, 2516873), (19, 1059736), (38, 529868), (76, 264934), (139, 144856), (152, 132467), (278, 72428), (556, 36214), (953, 21128), (1112, 18107), (1906, 10564), (2641, 7624), (3812, 5282)]