20845572

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1999}}^1$

素因数の和:2096

約数の個数: 48

約数和(自身を含む): 53760000

約数和(自身を除く): 32914428

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 79, 132, 158, 237, 316, 474, 869, 948, 1738, 1999, 2607, 3476, 3998, 5214, 5997, 7996, 10428, 11994, 21989, 23988, 43978, 65967, 87956, 131934, 157921, 263868, 315842, 473763, 631684, 947526, 1737131, 1895052, 3474262, 5211393, 6948524, 10422786, 20845572]

約数ペア:

[(1, 20845572), (2, 10422786), (3, 6948524), (4, 5211393), (6, 3474262), (11, 1895052), (12, 1737131), (22, 947526), (33, 631684), (44, 473763), (66, 315842), (79, 263868), (132, 157921), (158, 131934), (237, 87956), (316, 65967), (474, 43978), (869, 23988), (948, 21989), (1738, 11994), (1999, 10428), (2607, 7996), (3476, 5997), (3998, 5214)]