20409534

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{719}}^1$

素因数の和:829

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 26764866

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 83, 114, 166, 171, 249, 342, 498, 719, 747, 1438, 1494, 1577, 2157, 3154, 4314, 4731, 6471, 9462, 12942, 13661, 14193, 27322, 28386, 40983, 59677, 81966, 119354, 122949, 179031, 245898, 358062, 537093, 1074186, 1133863, 2267726, 3401589, 6803178, 10204767, 20409534]

約数ペア:

[(1, 20409534), (2, 10204767), (3, 6803178), (6, 3401589), (9, 2267726), (18, 1133863), (19, 1074186), (38, 537093), (57, 358062), (83, 245898), (114, 179031), (166, 122949), (171, 119354), (249, 81966), (342, 59677), (498, 40983), (719, 28386), (747, 27322), (1438, 14193), (1494, 13661), (1577, 12942), (2157, 9462), (3154, 6471), (4314, 4731)]