20274625

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:115

約数の個数: 64

約数和(自身を含む): 32348160

約数和(自身を除く): 12073535

約数列:

[1, 5, 7, 17, 25, 29, 35, 47, 85, 119, 125, 145, 175, 203, 235, 329, 425, 493, 595, 725, 799, 875, 1015, 1175, 1363, 1645, 2125, 2465, 2975, 3451, 3625, 3995, 5075, 5593, 5875, 6815, 8225, 9541, 12325, 14875, 17255, 19975, 23171, 25375, 27965, 34075, 41125, 47705, 61625, 86275, 99875, 115855, 139825, 162197, 170375, 238525, 431375, 579275, 699125, 810985, 1192625, 2896375, 4054925, 20274625]

約数ペア:

[(1, 20274625), (5, 4054925), (7, 2896375), (17, 1192625), (25, 810985), (29, 699125), (35, 579275), (47, 431375), (85, 238525), (119, 170375), (125, 162197), (145, 139825), (175, 115855), (203, 99875), (235, 86275), (329, 61625), (425, 47705), (493, 41125), (595, 34075), (725, 27965), (799, 25375), (875, 23171), (1015, 19975), (1175, 17255), (1363, 14875), (1645, 12325), (2125, 9541), (2465, 8225), (2975, 6815), (3451, 5875), (3625, 5593), (3995, 5075)]