20545542

素因数分解:

$2^1\times 3^3\times {\mathrm{337}}^1\times {\mathrm{1129}}^1$

素因数の和:1477

約数の個数: 32

約数和(自身を含む): 45832800

約数和(自身を除く): 25287258

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 337, 674, 1011, 1129, 2022, 2258, 3033, 3387, 6066, 6774, 9099, 10161, 18198, 20322, 30483, 60966, 380473, 760946, 1141419, 2282838, 3424257, 6848514, 10272771, 20545542]

約数ペア:

[(1, 20545542), (2, 10272771), (3, 6848514), (6, 3424257), (9, 2282838), (18, 1141419), (27, 760946), (54, 380473), (337, 60966), (674, 30483), (1011, 20322), (1129, 18198), (2022, 10161), (2258, 9099), (3033, 6774), (3387, 6066)]