20090542

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1291}}^1$

素因数の和:1575

約数の個数: 16

約数和(自身を含む): 31256064

約数和(自身を除く): 11165522

約数列:

[1, 2, 31, 62, 251, 502, 1291, 2582, 7781, 15562, 40021, 80042, 324041, 648082, 10045271, 20090542]

約数ペア:

[(1, 20090542), (2, 10045271), (31, 648082), (62, 324041), (251, 80042), (502, 40021), (1291, 15562), (2582, 7781)]