20195798425

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{227}}^1\times {\mathrm{29411}}^1$

素因数の和:29670

約数の個数: 36

約数和(自身を含む): 27648574128

約数和(自身を除く): 7452775703

約数列:

[1, 5, 11, 25, 55, 121, 227, 275, 605, 1135, 2497, 3025, 5675, 12485, 27467, 29411, 62425, 137335, 147055, 323521, 686675, 735275, 1617605, 3558731, 6676297, 8088025, 17793655, 33381485, 73439267, 88968275, 166907425, 367196335, 807831937, 1835981675, 4039159685, 20195798425]

約数ペア:

[(1, 20195798425), (5, 4039159685), (11, 1835981675), (25, 807831937), (55, 367196335), (121, 166907425), (227, 88968275), (275, 73439267), (605, 33381485), (1135, 17793655), (2497, 8088025), (3025, 6676297), (5675, 3558731), (12485, 1617605), (27467, 735275), (29411, 686675), (62425, 323521), (137335, 147055)]