20937834

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 47324160

約数和(自身を除く): 26386326

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 157, 186, 239, 279, 314, 471, 478, 558, 717, 942, 1413, 1434, 2151, 2826, 4302, 4867, 7409, 9734, 14601, 14818, 22227, 29202, 37523, 43803, 44454, 66681, 75046, 87606, 112569, 133362, 225138, 337707, 675414, 1163213, 2326426, 3489639, 6979278, 10468917, 20937834]

約数ペア:

[(1, 20937834), (2, 10468917), (3, 6979278), (6, 3489639), (9, 2326426), (18, 1163213), (31, 675414), (62, 337707), (93, 225138), (157, 133362), (186, 112569), (239, 87606), (279, 75046), (314, 66681), (471, 44454), (478, 43803), (558, 37523), (717, 29202), (942, 22227), (1413, 14818), (1434, 14601), (2151, 9734), (2826, 7409), (4302, 4867)]