20870172

素因数分解:

$2^2\times 3^2\times {\mathrm{701}}^1\times {\mathrm{827}}^1$

素因数の和:1538

約数の個数: 36

約数和(自身を含む): 52894296

約数和(自身を除く): 32024124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 701, 827, 1402, 1654, 2103, 2481, 2804, 3308, 4206, 4962, 6309, 7443, 8412, 9924, 12618, 14886, 25236, 29772, 579727, 1159454, 1739181, 2318908, 3478362, 5217543, 6956724, 10435086, 20870172]

約数ペア:

[(1, 20870172), (2, 10435086), (3, 6956724), (4, 5217543), (6, 3478362), (9, 2318908), (12, 1739181), (18, 1159454), (36, 579727), (701, 29772), (827, 25236), (1402, 14886), (1654, 12618), (2103, 9924), (2481, 8412), (2804, 7443), (3308, 6309), (4206, 4962)]