20548542

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1889}}^1$

素因数の和:1945

約数の個数: 48

約数和(自身を含む): 49124880

約数和(自身を除く): 28576338

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 49, 74, 98, 111, 147, 222, 259, 294, 518, 777, 1554, 1813, 1889, 3626, 3778, 5439, 5667, 10878, 11334, 13223, 26446, 39669, 69893, 79338, 92561, 139786, 185122, 209679, 277683, 419358, 489251, 555366, 978502, 1467753, 2935506, 3424757, 6849514, 10274271, 20548542]

約数ペア:

[(1, 20548542), (2, 10274271), (3, 6849514), (6, 3424757), (7, 2935506), (14, 1467753), (21, 978502), (37, 555366), (42, 489251), (49, 419358), (74, 277683), (98, 209679), (111, 185122), (147, 139786), (222, 92561), (259, 79338), (294, 69893), (518, 39669), (777, 26446), (1554, 13223), (1813, 11334), (1889, 10878), (3626, 5667), (3778, 5439)]