20538802

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{983}}^1$

素因数の和:1353

約数の個数: 16

約数和(自身を含む): 31928832

約数和(自身を除く): 11390030

約数列:

[1, 2, 31, 62, 337, 674, 983, 1966, 10447, 20894, 30473, 60946, 331271, 662542, 10269401, 20538802]

約数ペア:

[(1, 20538802), (2, 10269401), (31, 662542), (62, 331271), (337, 60946), (674, 30473), (983, 20894), (1966, 10447)]