16805870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{821}}^1$

素因数の和:940

約数の個数: 32

約数和(自身を含む): 31959360

約数和(自身を除く): 15153490

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 821, 890, 1642, 2047, 4094, 4105, 8210, 10235, 18883, 20470, 37766, 73069, 94415, 146138, 188830, 365345, 730690, 1680587, 3361174, 8402935, 16805870]

約数ペア:

[(1, 16805870), (2, 8402935), (5, 3361174), (10, 1680587), (23, 730690), (46, 365345), (89, 188830), (115, 146138), (178, 94415), (230, 73069), (445, 37766), (821, 20470), (890, 18883), (1642, 10235), (2047, 8210), (4094, 4105)]