20165142820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1184791}}^1$

素因数の和:1184860

約数の個数: 48

約数和(自身を含む): 45382272768

約数和(自身を除く): 25217129948

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1702, 3404, 4255, 8510, 17020, 1184791, 2369582, 4739164, 5923955, 11847910, 23695820, 27250193, 43837267, 54500386, 87674534, 109000772, 136250965, 175349068, 219186335, 272501930, 438372670, 545003860, 876745340, 1008257141, 2016514282, 4033028564, 5041285705, 10082571410, 20165142820]

約数ペア:

[(1, 20165142820), (2, 10082571410), (4, 5041285705), (5, 4033028564), (10, 2016514282), (20, 1008257141), (23, 876745340), (37, 545003860), (46, 438372670), (74, 272501930), (92, 219186335), (115, 175349068), (148, 136250965), (185, 109000772), (230, 87674534), (370, 54500386), (460, 43837267), (740, 27250193), (851, 23695820), (1702, 11847910), (3404, 5923955), (4255, 4739164), (8510, 2369582), (17020, 1184791)]