20286680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26693}}^1$

素因数の和:26723

約数の個数: 32

約数和(自身を含む): 48049200

約数和(自身を除く): 27762520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26693, 53386, 106772, 133465, 213544, 266930, 507167, 533860, 1014334, 1067720, 2028668, 2535835, 4057336, 5071670, 10143340, 20286680]

約数ペア:

[(1, 20286680), (2, 10143340), (4, 5071670), (5, 4057336), (8, 2535835), (10, 2028668), (19, 1067720), (20, 1014334), (38, 533860), (40, 507167), (76, 266930), (95, 213544), (152, 133465), (190, 106772), (380, 53386), (760, 26693)]