20199103775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{8839}}^1$

素因数の和:9168

約数の個数: 48

約数和(自身を含む): 28017849600

約数和(自身を除く): 7818745825

約数列:

[1, 5, 17, 19, 25, 85, 95, 283, 323, 425, 475, 1415, 1615, 4811, 5377, 7075, 8075, 8839, 24055, 26885, 44195, 91409, 120275, 134425, 150263, 167941, 220975, 457045, 751315, 839705, 2285225, 2501437, 2854997, 3756575, 4198525, 12507185, 14274985, 42524429, 47527303, 62535925, 71374925, 212622145, 237636515, 807964151, 1063110725, 1188182575, 4039820755, 20199103775]

約数ペア:

[(1, 20199103775), (5, 4039820755), (17, 1188182575), (19, 1063110725), (25, 807964151), (85, 237636515), (95, 212622145), (283, 71374925), (323, 62535925), (425, 47527303), (475, 42524429), (1415, 14274985), (1615, 12507185), (4811, 4198525), (5377, 3756575), (7075, 2854997), (8075, 2501437), (8839, 2285225), (24055, 839705), (26885, 751315), (44195, 457045), (91409, 220975), (120275, 167941), (134425, 150263)]