20582470

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{821}}^1$

素因数の和:960

約数の個数: 32

約数和(自身を含む): 39061440

約数和(自身を除く): 18478970

約数列:

[1, 2, 5, 10, 23, 46, 109, 115, 218, 230, 545, 821, 1090, 1642, 2507, 4105, 5014, 8210, 12535, 18883, 25070, 37766, 89489, 94415, 178978, 188830, 447445, 894890, 2058247, 4116494, 10291235, 20582470]

約数ペア:

[(1, 20582470), (2, 10291235), (5, 4116494), (10, 2058247), (23, 894890), (46, 447445), (109, 188830), (115, 178978), (218, 94415), (230, 89489), (545, 37766), (821, 25070), (1090, 18883), (1642, 12535), (2507, 8210), (4105, 5014)]