20493592

素因数分解:

$2^3\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1249}}^1$

素因数の和:1555

約数の個数: 32

約数和(自身を含む): 44100000

約数和(自身を除く): 23606408

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 293, 586, 1172, 1249, 2051, 2344, 2498, 4102, 4996, 8204, 8743, 9992, 16408, 17486, 34972, 69944, 365957, 731914, 1463828, 2561699, 2927656, 5123398, 10246796, 20493592]

約数ペア:

[(1, 20493592), (2, 10246796), (4, 5123398), (7, 2927656), (8, 2561699), (14, 1463828), (28, 731914), (56, 365957), (293, 69944), (586, 34972), (1172, 17486), (1249, 16408), (2051, 9992), (2344, 8743), (2498, 8204), (4102, 4996)]