20171781678

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{3457}}^1\times {\mathrm{42283}}^1$

素因数の和:45768

約数の個数: 32

約数和(自身を含む): 42110804736

約数和(自身を除く): 21939023058

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 3457, 6914, 10371, 20742, 42283, 79511, 84566, 126849, 159022, 238533, 253698, 477066, 972509, 1945018, 2917527, 5835054, 146172331, 292344662, 438516993, 877033986, 3361963613, 6723927226, 10085890839, 20171781678]

約数ペア:

[(1, 20171781678), (2, 10085890839), (3, 6723927226), (6, 3361963613), (23, 877033986), (46, 438516993), (69, 292344662), (138, 146172331), (3457, 5835054), (6914, 2917527), (10371, 1945018), (20742, 972509), (42283, 477066), (79511, 253698), (84566, 238533), (126849, 159022)]