20983424

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2129}}^1$

素因数の和:2161

約数の個数: 64

約数和(自身を含む): 52142400

約数和(自身を除く): 31158976

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 308, 352, 448, 616, 704, 896, 1232, 1408, 2129, 2464, 4258, 4928, 8516, 9856, 14903, 17032, 23419, 29806, 34064, 46838, 59612, 68128, 93676, 119224, 136256, 163933, 187352, 238448, 272512, 327866, 374704, 476896, 655732, 749408, 953792, 1311464, 1498816, 1907584, 2622928, 2997632, 5245856, 10491712, 20983424]

約数ペア:

[(1, 20983424), (2, 10491712), (4, 5245856), (7, 2997632), (8, 2622928), (11, 1907584), (14, 1498816), (16, 1311464), (22, 953792), (28, 749408), (32, 655732), (44, 476896), (56, 374704), (64, 327866), (77, 272512), (88, 238448), (112, 187352), (128, 163933), (154, 136256), (176, 119224), (224, 93676), (308, 68128), (352, 59612), (448, 46838), (616, 34064), (704, 29806), (896, 23419), (1232, 17032), (1408, 14903), (2129, 9856), (2464, 8516), (4258, 4928)]