20299600

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2671}}^1$

素因数の和:2708

約数の個数: 60

約数和(自身を含む): 51355840

約数和(自身を除く): 31056240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 2671, 3800, 5342, 7600, 10684, 13355, 21368, 26710, 42736, 50749, 53420, 66775, 101498, 106840, 133550, 202996, 213680, 253745, 267100, 405992, 507490, 534200, 811984, 1014980, 1068400, 1268725, 2029960, 2537450, 4059920, 5074900, 10149800, 20299600]

約数ペア:

[(1, 20299600), (2, 10149800), (4, 5074900), (5, 4059920), (8, 2537450), (10, 2029960), (16, 1268725), (19, 1068400), (20, 1014980), (25, 811984), (38, 534200), (40, 507490), (50, 405992), (76, 267100), (80, 253745), (95, 213680), (100, 202996), (152, 133550), (190, 106840), (200, 101498), (304, 66775), (380, 53420), (400, 50749), (475, 42736), (760, 26710), (950, 21368), (1520, 13355), (1900, 10684), (2671, 7600), (3800, 5342)]