20786784170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1825003}}^1$

素因数の和:1825094

約数の個数: 32

約数和(自身を含む): 40208488128

約数和(自身を除く): 19421703958

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 134, 170, 335, 670, 1139, 2278, 5695, 11390, 1825003, 3650006, 9125015, 18250030, 31025051, 62050102, 122275201, 155125255, 244550402, 310250510, 611376005, 1222752010, 2078678417, 4157356834, 10393392085, 20786784170]

約数ペア:

[(1, 20786784170), (2, 10393392085), (5, 4157356834), (10, 2078678417), (17, 1222752010), (34, 611376005), (67, 310250510), (85, 244550402), (134, 155125255), (170, 122275201), (335, 62050102), (670, 31025051), (1139, 18250030), (2278, 9125015), (5695, 3650006), (11390, 1825003)]