20105408

素因数分解:

$2^6\times {\mathrm{317}}^1\times {\mathrm{991}}^1$

素因数の和:1320

約数の個数: 28

約数和(自身を含む): 40062912

約数和(自身を除く): 19957504

約数列:

[1, 2, 4, 8, 16, 32, 64, 317, 634, 991, 1268, 1982, 2536, 3964, 5072, 7928, 10144, 15856, 20288, 31712, 63424, 314147, 628294, 1256588, 2513176, 5026352, 10052704, 20105408]

約数ペア:

[(1, 20105408), (2, 10052704), (4, 5026352), (8, 2513176), (16, 1256588), (32, 628294), (64, 314147), (317, 63424), (634, 31712), (991, 20288), (1268, 15856), (1982, 10144), (2536, 7928), (3964, 5072)]