20565993975

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{457}}^1\times {\mathrm{16217}}^1$

素因数の和:16724

約数の個数: 48

約数和(自身を含む): 35000000928

約数和(自身を除く): 14434006953

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 185, 457, 555, 925, 1371, 2285, 2775, 6855, 11425, 16217, 16909, 34275, 48651, 50727, 81085, 84545, 243255, 253635, 405425, 422725, 600029, 1216275, 1268175, 1800087, 3000145, 7411169, 9000435, 15000725, 22233507, 37055845, 45002175, 111167535, 185279225, 274213253, 555837675, 822639759, 1371066265, 4113198795, 6855331325, 20565993975]

約数ペア:

[(1, 20565993975), (3, 6855331325), (5, 4113198795), (15, 1371066265), (25, 822639759), (37, 555837675), (75, 274213253), (111, 185279225), (185, 111167535), (457, 45002175), (555, 37055845), (925, 22233507), (1371, 15000725), (2285, 9000435), (2775, 7411169), (6855, 3000145), (11425, 1800087), (16217, 1268175), (16909, 1216275), (34275, 600029), (48651, 422725), (50727, 405425), (81085, 253635), (84545, 243255)]