20900868

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 50621760

約数和(自身を除く): 29720892

約数列:

[1, 2, 3, 4, 6, 12, 53, 59, 106, 118, 159, 177, 212, 236, 318, 354, 557, 636, 708, 1114, 1671, 2228, 3127, 3342, 6254, 6684, 9381, 12508, 18762, 29521, 32863, 37524, 59042, 65726, 88563, 98589, 118084, 131452, 177126, 197178, 354252, 394356, 1741739, 3483478, 5225217, 6966956, 10450434, 20900868]

約数ペア:

[(1, 20900868), (2, 10450434), (3, 6966956), (4, 5225217), (6, 3483478), (12, 1741739), (53, 394356), (59, 354252), (106, 197178), (118, 177126), (159, 131452), (177, 118084), (212, 98589), (236, 88563), (318, 65726), (354, 59042), (557, 37524), (636, 32863), (708, 29521), (1114, 18762), (1671, 12508), (2228, 9381), (3127, 6684), (3342, 6254)]