20218014975

素因数分解:

$3^1\times 5^2\times {\mathrm{229}}^1\times {\mathrm{349}}^1\times {\mathrm{3373}}^1$

素因数の和:3964

約数の個数: 48

約数和(自身を含む): 33679268000

約数和(自身を除く): 13461253025

約数列:

[1, 3, 5, 15, 25, 75, 229, 349, 687, 1047, 1145, 1745, 3373, 3435, 5235, 5725, 8725, 10119, 16865, 17175, 26175, 50595, 79921, 84325, 239763, 252975, 399605, 772417, 1177177, 1198815, 1998025, 2317251, 3531531, 3862085, 5885885, 5994075, 11586255, 17657655, 19310425, 29429425, 57931275, 88288275, 269573533, 808720599, 1347867665, 4043602995, 6739338325, 20218014975]

約数ペア:

[(1, 20218014975), (3, 6739338325), (5, 4043602995), (15, 1347867665), (25, 808720599), (75, 269573533), (229, 88288275), (349, 57931275), (687, 29429425), (1047, 19310425), (1145, 17657655), (1745, 11586255), (3373, 5994075), (3435, 5885885), (5235, 3862085), (5725, 3531531), (8725, 2317251), (10119, 1998025), (16865, 1198815), (17175, 1177177), (26175, 772417), (50595, 399605), (79921, 252975), (84325, 239763)]