20204810

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{821}}^1$

素因数の和:958

約数の個数: 32

約数和(自身を含む): 38351232

約数和(自身を除く): 18146422

約数列:

[1, 2, 5, 10, 23, 46, 107, 115, 214, 230, 535, 821, 1070, 1642, 2461, 4105, 4922, 8210, 12305, 18883, 24610, 37766, 87847, 94415, 175694, 188830, 439235, 878470, 2020481, 4040962, 10102405, 20204810]

約数ペア:

[(1, 20204810), (2, 10102405), (5, 4040962), (10, 2020481), (23, 878470), (46, 439235), (107, 188830), (115, 175694), (214, 94415), (230, 87847), (535, 37766), (821, 24610), (1070, 18883), (1642, 12305), (2461, 8210), (4105, 4922)]