20268156

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 49029120

約数和(自身を除く): 28760964

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 191, 222, 239, 382, 444, 478, 573, 717, 764, 956, 1146, 1434, 2292, 2868, 7067, 8843, 14134, 17686, 21201, 26529, 28268, 35372, 42402, 45649, 53058, 84804, 91298, 106116, 136947, 182596, 273894, 547788, 1689013, 3378026, 5067039, 6756052, 10134078, 20268156]

約数ペア:

[(1, 20268156), (2, 10134078), (3, 6756052), (4, 5067039), (6, 3378026), (12, 1689013), (37, 547788), (74, 273894), (111, 182596), (148, 136947), (191, 106116), (222, 91298), (239, 84804), (382, 53058), (444, 45649), (478, 42402), (573, 35372), (717, 28268), (764, 26529), (956, 21201), (1146, 17686), (1434, 14134), (2292, 8843), (2868, 7067)]