20785216

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{4111}}^1$

素因数の和:4202

約数の個数: 28

約数和(自身を含む): 41777920

約数和(自身を除く): 20992704

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 158, 316, 632, 1264, 2528, 4111, 5056, 8222, 16444, 32888, 65776, 131552, 263104, 324769, 649538, 1299076, 2598152, 5196304, 10392608, 20785216]

約数ペア:

[(1, 20785216), (2, 10392608), (4, 5196304), (8, 2598152), (16, 1299076), (32, 649538), (64, 324769), (79, 263104), (158, 131552), (316, 65776), (632, 32888), (1264, 16444), (2528, 8222), (4111, 5056)]