20472956

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1327}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 44620800

約数和(自身を除く): 24147844

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 58, 76, 116, 133, 203, 266, 406, 532, 551, 812, 1102, 1327, 2204, 2654, 3857, 5308, 7714, 9289, 15428, 18578, 25213, 37156, 38483, 50426, 76966, 100852, 153932, 176491, 269381, 352982, 538762, 705964, 731177, 1077524, 1462354, 2924708, 5118239, 10236478, 20472956]

約数ペア:

[(1, 20472956), (2, 10236478), (4, 5118239), (7, 2924708), (14, 1462354), (19, 1077524), (28, 731177), (29, 705964), (38, 538762), (58, 352982), (76, 269381), (116, 176491), (133, 153932), (203, 100852), (266, 76966), (406, 50426), (532, 38483), (551, 37156), (812, 25213), (1102, 18578), (1327, 15428), (2204, 9289), (2654, 7714), (3857, 5308)]