20341750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 44815680

約数和(自身を除く): 24473930

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 125, 130, 143, 250, 275, 286, 325, 550, 569, 650, 715, 1138, 1375, 1430, 1625, 2750, 2845, 3250, 3575, 5690, 6259, 7150, 7397, 12518, 14225, 14794, 17875, 28450, 31295, 35750, 36985, 62590, 71125, 73970, 81367, 142250, 156475, 162734, 184925, 312950, 369850, 406835, 782375, 813670, 924625, 1564750, 1849250, 2034175, 4068350, 10170875, 20341750]

約数ペア:

[(1, 20341750), (2, 10170875), (5, 4068350), (10, 2034175), (11, 1849250), (13, 1564750), (22, 924625), (25, 813670), (26, 782375), (50, 406835), (55, 369850), (65, 312950), (110, 184925), (125, 162734), (130, 156475), (143, 142250), (250, 81367), (275, 73970), (286, 71125), (325, 62590), (550, 36985), (569, 35750), (650, 31295), (715, 28450), (1138, 17875), (1375, 14794), (1430, 14225), (1625, 12518), (2750, 7397), (2845, 7150), (3250, 6259), (3575, 5690)]