20176207975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{709}}^1\times {\mathrm{14783}}^1$

素因数の和:15520

約数の個数: 48

約数和(自身を含む): 31238000640

約数和(自身を除く): 11061792665

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 709, 1925, 3545, 4963, 7799, 14783, 17725, 24815, 38995, 54593, 73915, 103481, 124075, 162613, 194975, 272965, 369575, 517405, 813065, 1138291, 1364825, 2587025, 4065325, 5691455, 10481147, 28457275, 52405735, 73368029, 115292617, 262028675, 366840145, 576463085, 807048319, 1834200725, 2882315425, 4035241595, 20176207975]

約数ペア:

[(1, 20176207975), (5, 4035241595), (7, 2882315425), (11, 1834200725), (25, 807048319), (35, 576463085), (55, 366840145), (77, 262028675), (175, 115292617), (275, 73368029), (385, 52405735), (709, 28457275), (1925, 10481147), (3545, 5691455), (4963, 4065325), (7799, 2587025), (14783, 1364825), (17725, 1138291), (24815, 813065), (38995, 517405), (54593, 369575), (73915, 272965), (103481, 194975), (124075, 162613)]