20272280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{10343}}^1$

素因数の和:10368

約数の個数: 48

約数和(自身を含む): 53064720

約数和(自身を除く): 32792440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 10343, 20686, 41372, 51715, 72401, 82744, 103430, 144802, 206860, 289604, 362005, 413720, 506807, 579208, 724010, 1013614, 1448020, 2027228, 2534035, 2896040, 4054456, 5068070, 10136140, 20272280]

約数ペア:

[(1, 20272280), (2, 10136140), (4, 5068070), (5, 4054456), (7, 2896040), (8, 2534035), (10, 2027228), (14, 1448020), (20, 1013614), (28, 724010), (35, 579208), (40, 506807), (49, 413720), (56, 362005), (70, 289604), (98, 206860), (140, 144802), (196, 103430), (245, 82744), (280, 72401), (392, 51715), (490, 41372), (980, 20686), (1960, 10343)]