20131792

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1409}}^1$

素因数の和:1483

約数の個数: 40

約数和(自身を含む): 41961600

約数和(自身を除く): 21829808

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 893, 1409, 1786, 2818, 3572, 5636, 7144, 11272, 14288, 22544, 26771, 53542, 66223, 107084, 132446, 214168, 264892, 428336, 529784, 1059568, 1258237, 2516474, 5032948, 10065896, 20131792]

約数ペア:

[(1, 20131792), (2, 10065896), (4, 5032948), (8, 2516474), (16, 1258237), (19, 1059568), (38, 529784), (47, 428336), (76, 264892), (94, 214168), (152, 132446), (188, 107084), (304, 66223), (376, 53542), (752, 26771), (893, 22544), (1409, 14288), (1786, 11272), (2818, 7144), (3572, 5636)]