20909088

素因数分解:

$2^5\times 3^2\times {\mathrm{79}}^1\times {\mathrm{919}}^1$

素因数の和:1014

約数の個数: 72

約数和(自身を含む): 60278400

約数和(自身を除く): 39369312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 79, 96, 144, 158, 237, 288, 316, 474, 632, 711, 919, 948, 1264, 1422, 1838, 1896, 2528, 2757, 2844, 3676, 3792, 5514, 5688, 7352, 7584, 8271, 11028, 11376, 14704, 16542, 22056, 22752, 29408, 33084, 44112, 66168, 72601, 88224, 132336, 145202, 217803, 264672, 290404, 435606, 580808, 653409, 871212, 1161616, 1306818, 1742424, 2323232, 2613636, 3484848, 5227272, 6969696, 10454544, 20909088]

約数ペア:

[(1, 20909088), (2, 10454544), (3, 6969696), (4, 5227272), (6, 3484848), (8, 2613636), (9, 2323232), (12, 1742424), (16, 1306818), (18, 1161616), (24, 871212), (32, 653409), (36, 580808), (48, 435606), (72, 290404), (79, 264672), (96, 217803), (144, 145202), (158, 132336), (237, 88224), (288, 72601), (316, 66168), (474, 44112), (632, 33084), (711, 29408), (919, 22752), (948, 22056), (1264, 16542), (1422, 14704), (1838, 11376), (1896, 11028), (2528, 8271), (2757, 7584), (2844, 7352), (3676, 5688), (3792, 5514)]