20593100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 49507248

約数和(自身を除く): 28914148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 97, 100, 110, 193, 194, 220, 275, 386, 388, 485, 550, 772, 965, 970, 1067, 1100, 1930, 1940, 2123, 2134, 2425, 3860, 4246, 4268, 4825, 4850, 5335, 8492, 9650, 9700, 10615, 10670, 18721, 19300, 21230, 21340, 26675, 37442, 42460, 53075, 53350, 74884, 93605, 106150, 106700, 187210, 205931, 212300, 374420, 411862, 468025, 823724, 936050, 1029655, 1872100, 2059310, 4118620, 5148275, 10296550, 20593100]

約数ペア:

[(1, 20593100), (2, 10296550), (4, 5148275), (5, 4118620), (10, 2059310), (11, 1872100), (20, 1029655), (22, 936050), (25, 823724), (44, 468025), (50, 411862), (55, 374420), (97, 212300), (100, 205931), (110, 187210), (193, 106700), (194, 106150), (220, 93605), (275, 74884), (386, 53350), (388, 53075), (485, 42460), (550, 37442), (772, 26675), (965, 21340), (970, 21230), (1067, 19300), (1100, 18721), (1930, 10670), (1940, 10615), (2123, 9700), (2134, 9650), (2425, 8492), (3860, 5335), (4246, 4850), (4268, 4825)]