20860168

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2719}}^1$

素因数の和:2869

約数の個数: 32

約数和(自身を含む): 45043200

約数和(自身を除く): 24183032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1918, 2719, 3836, 5438, 7672, 10876, 19033, 21752, 38066, 76132, 152264, 372503, 745006, 1490012, 2607521, 2980024, 5215042, 10430084, 20860168]

約数ペア:

[(1, 20860168), (2, 10430084), (4, 5215042), (7, 2980024), (8, 2607521), (14, 1490012), (28, 745006), (56, 372503), (137, 152264), (274, 76132), (548, 38066), (959, 21752), (1096, 19033), (1918, 10876), (2719, 7672), (3836, 5438)]