20456380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{146117}}^1$

素因数の和:146133

約数の個数: 24

約数和(自身を含む): 49095648

約数和(自身を除く): 28639268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 146117, 292234, 584468, 730585, 1022819, 1461170, 2045638, 2922340, 4091276, 5114095, 10228190, 20456380]

約数ペア:

[(1, 20456380), (2, 10228190), (4, 5114095), (5, 4091276), (7, 2922340), (10, 2045638), (14, 1461170), (20, 1022819), (28, 730585), (35, 584468), (70, 292234), (140, 146117)]