20927104

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 25340096

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 89, 128, 167, 176, 178, 334, 352, 356, 668, 704, 712, 979, 1336, 1408, 1424, 1837, 1958, 2672, 2848, 3674, 3916, 5344, 5696, 7348, 7832, 10688, 11392, 14696, 14863, 15664, 21376, 29392, 29726, 31328, 58784, 59452, 62656, 117568, 118904, 125312, 163493, 235136, 237808, 326986, 475616, 653972, 951232, 1307944, 1902464, 2615888, 5231776, 10463552, 20927104]

約数ペア:

[(1, 20927104), (2, 10463552), (4, 5231776), (8, 2615888), (11, 1902464), (16, 1307944), (22, 951232), (32, 653972), (44, 475616), (64, 326986), (88, 237808), (89, 235136), (128, 163493), (167, 125312), (176, 118904), (178, 117568), (334, 62656), (352, 59452), (356, 58784), (668, 31328), (704, 29726), (712, 29392), (979, 21376), (1336, 15664), (1408, 14863), (1424, 14696), (1837, 11392), (1958, 10688), (2672, 7832), (2848, 7348), (3674, 5696), (3916, 5344)]