20443150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4493}}^1$

素因数の和:4525

約数の個数: 48

約数和(自身を含む): 46809504

約数和(自身を除く): 26366354

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4493, 4550, 8986, 22465, 31451, 44930, 58409, 62902, 112325, 116818, 157255, 224650, 292045, 314510, 408863, 584090, 786275, 817726, 1460225, 1572550, 2044315, 2920450, 4088630, 10221575, 20443150]

約数ペア:

[(1, 20443150), (2, 10221575), (5, 4088630), (7, 2920450), (10, 2044315), (13, 1572550), (14, 1460225), (25, 817726), (26, 786275), (35, 584090), (50, 408863), (65, 314510), (70, 292045), (91, 224650), (130, 157255), (175, 116818), (182, 112325), (325, 62902), (350, 58409), (455, 44930), (650, 31451), (910, 22465), (2275, 8986), (4493, 4550)]