20441900

素因数分解:

$2^2\times 5^2\times {\mathrm{367}}^1\times {\mathrm{557}}^1$

素因数の和:938

約数の個数: 36

約数和(自身を含む): 44559648

約数和(自身を除く): 24117748

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 367, 557, 734, 1114, 1468, 1835, 2228, 2785, 3670, 5570, 7340, 9175, 11140, 13925, 18350, 27850, 36700, 55700, 204419, 408838, 817676, 1022095, 2044190, 4088380, 5110475, 10220950, 20441900]

約数ペア:

[(1, 20441900), (2, 10220950), (4, 5110475), (5, 4088380), (10, 2044190), (20, 1022095), (25, 817676), (50, 408838), (100, 204419), (367, 55700), (557, 36700), (734, 27850), (1114, 18350), (1468, 13925), (1835, 11140), (2228, 9175), (2785, 7340), (3670, 5570)]