20828049128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{11483}}^1\times {\mathrm{11933}}^1$

素因数の和:23441

約数の個数: 32

約数和(自身を含む): 41115016800

約数和(自身を除く): 20286967672

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 11483, 11933, 22966, 23866, 45932, 47732, 91864, 95464, 218177, 226727, 436354, 453454, 872708, 906908, 1745416, 1813816, 137026639, 274053278, 548106556, 1096213112, 2603506141, 5207012282, 10414024564, 20828049128]

約数ペア:

[(1, 20828049128), (2, 10414024564), (4, 5207012282), (8, 2603506141), (19, 1096213112), (38, 548106556), (76, 274053278), (152, 137026639), (11483, 1813816), (11933, 1745416), (22966, 906908), (23866, 872708), (45932, 453454), (47732, 436354), (91864, 226727), (95464, 218177)]