20127744010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{17657}}^1$

素因数の和:17959

約数の個数: 64

約数和(自身を含む): 40612834944

約数和(自身を除く): 20485090934

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 241, 430, 473, 482, 946, 1205, 2365, 2410, 2651, 4730, 5302, 10363, 13255, 17657, 20726, 26510, 35314, 51815, 88285, 103630, 113993, 176570, 194227, 227986, 388454, 569965, 759251, 971135, 1139930, 1518502, 1942270, 3796255, 4255337, 7592510, 8351761, 8510674, 16703522, 21276685, 41758805, 42553370, 46808707, 83517610, 93617414, 182979491, 234043535, 365958982, 468087070, 914897455, 1829794910, 2012774401, 4025548802, 10063872005, 20127744010]

約数ペア:

[(1, 20127744010), (2, 10063872005), (5, 4025548802), (10, 2012774401), (11, 1829794910), (22, 914897455), (43, 468087070), (55, 365958982), (86, 234043535), (110, 182979491), (215, 93617414), (241, 83517610), (430, 46808707), (473, 42553370), (482, 41758805), (946, 21276685), (1205, 16703522), (2365, 8510674), (2410, 8351761), (2651, 7592510), (4730, 4255337), (5302, 3796255), (10363, 1942270), (13255, 1518502), (17657, 1139930), (20726, 971135), (26510, 759251), (35314, 569965), (51815, 388454), (88285, 227986), (103630, 194227), (113993, 176570)]