20415616

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12269}}^1$

素因数の和:12296

約数の個数: 32

約数和(自身を含む): 43803900

約数和(自身を除く): 23388284

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12269, 24538, 49076, 98152, 159497, 196304, 318994, 392608, 637988, 785216, 1275976, 1570432, 2551952, 5103904, 10207808, 20415616]

約数ペア:

[(1, 20415616), (2, 10207808), (4, 5103904), (8, 2551952), (13, 1570432), (16, 1275976), (26, 785216), (32, 637988), (52, 392608), (64, 318994), (104, 196304), (128, 159497), (208, 98152), (416, 49076), (832, 24538), (1664, 12269)]