20459560401

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{25037}}^1$

素因数の和:25183

約数の個数: 72

約数和(自身を含む): 36735252840

約数和(自身を除く): 16275692439

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 109, 119, 147, 153, 327, 357, 441, 763, 833, 981, 1071, 1853, 2289, 2499, 5341, 5559, 6867, 7497, 12971, 16023, 16677, 25037, 38913, 48069, 75111, 90797, 116739, 175259, 225333, 272391, 425629, 525777, 817173, 1226813, 1276887, 1577331, 2729033, 2979403, 3680439, 3830661, 8187099, 8938209, 11041317, 19103231, 20855821, 24561297, 26814627, 46393561, 57309693, 62567463, 133722617, 139180683, 171929079, 187702389, 324754927, 401167851, 417542049, 974264781, 1203503553, 2273284489, 2922794343, 6819853467, 20459560401]

約数ペア:

[(1, 20459560401), (3, 6819853467), (7, 2922794343), (9, 2273284489), (17, 1203503553), (21, 974264781), (49, 417542049), (51, 401167851), (63, 324754927), (109, 187702389), (119, 171929079), (147, 139180683), (153, 133722617), (327, 62567463), (357, 57309693), (441, 46393561), (763, 26814627), (833, 24561297), (981, 20855821), (1071, 19103231), (1853, 11041317), (2289, 8938209), (2499, 8187099), (5341, 3830661), (5559, 3680439), (6867, 2979403), (7497, 2729033), (12971, 1577331), (16023, 1276887), (16677, 1226813), (25037, 817173), (38913, 525777), (48069, 425629), (75111, 272391), (90797, 225333), (116739, 175259)]