20857564222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1289}}^1\times {\mathrm{38711}}^1$

素因数の和:40032

約数の個数: 32

約数和(自身を含む): 35955705600

約数和(自身を除く): 15098141378

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 1289, 2578, 14179, 24491, 28358, 38711, 48982, 77422, 269401, 425821, 538802, 735509, 851642, 1471018, 8090599, 16181198, 49898479, 99796958, 548883269, 948071101, 1097766538, 1896142202, 10428782111, 20857564222]

約数ペア:

[(1, 20857564222), (2, 10428782111), (11, 1896142202), (19, 1097766538), (22, 948071101), (38, 548883269), (209, 99796958), (418, 49898479), (1289, 16181198), (2578, 8090599), (14179, 1471018), (24491, 851642), (28358, 735509), (38711, 538802), (48982, 425821), (77422, 269401)]