20154390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1451}}^1$

素因数の和:1924

約数の個数: 32

約数和(自身を含む): 48508416

約数和(自身を除く): 28354026

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 463, 926, 1389, 1451, 2315, 2778, 2902, 4353, 4630, 6945, 7255, 8706, 13890, 14510, 21765, 43530, 671813, 1343626, 2015439, 3359065, 4030878, 6718130, 10077195, 20154390]

約数ペア:

[(1, 20154390), (2, 10077195), (3, 6718130), (5, 4030878), (6, 3359065), (10, 2015439), (15, 1343626), (30, 671813), (463, 43530), (926, 21765), (1389, 14510), (1451, 13890), (2315, 8706), (2778, 7255), (2902, 6945), (4353, 4630)]