20728103638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{211}}^1\times {\mathrm{15451}}^1$

素因数の和:15709

約数の個数: 48

約数和(自身を含む): 36204406848

約数和(自身を除く): 15476303210

約数列:

[1, 2, 11, 17, 22, 34, 187, 211, 289, 374, 422, 578, 2321, 3179, 3587, 4642, 6358, 7174, 15451, 30902, 39457, 60979, 78914, 121958, 169961, 262667, 339922, 525334, 670769, 1341538, 2889337, 3260161, 4465339, 5778674, 6520322, 8930678, 35861771, 49118729, 55422737, 71723542, 98237458, 110845474, 609650107, 942186529, 1219300214, 1884373058, 10364051819, 20728103638]

約数ペア:

[(1, 20728103638), (2, 10364051819), (11, 1884373058), (17, 1219300214), (22, 942186529), (34, 609650107), (187, 110845474), (211, 98237458), (289, 71723542), (374, 55422737), (422, 49118729), (578, 35861771), (2321, 8930678), (3179, 6520322), (3587, 5778674), (4642, 4465339), (6358, 3260161), (7174, 2889337), (15451, 1341538), (30902, 670769), (39457, 525334), (60979, 339922), (78914, 262667), (121958, 169961)]