20708510

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{503}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 18482530

約数列:

[1, 2, 5, 10, 23, 46, 115, 179, 230, 358, 503, 895, 1006, 1790, 2515, 4117, 5030, 8234, 11569, 20585, 23138, 41170, 57845, 90037, 115690, 180074, 450185, 900370, 2070851, 4141702, 10354255, 20708510]

約数ペア:

[(1, 20708510), (2, 10354255), (5, 4141702), (10, 2070851), (23, 900370), (46, 450185), (115, 180074), (179, 115690), (230, 90037), (358, 57845), (503, 41170), (895, 23138), (1006, 20585), (1790, 11569), (2515, 8234), (4117, 5030)]