20117496464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{599}}^1\times {\mathrm{2647}}^1$

素因数の和:3328

約数の個数: 80

約数和(自身を含む): 42751430400

約数和(自身を除く): 22633933936

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 599, 793, 976, 1198, 1586, 2396, 2647, 3172, 4792, 5294, 6344, 7787, 9584, 10588, 12688, 15574, 21176, 31148, 34411, 36539, 42352, 62296, 68822, 73078, 124592, 137644, 146156, 161467, 275288, 292312, 322934, 475007, 550576, 584624, 645868, 950014, 1291736, 1585553, 1900028, 2099071, 2583472, 3171106, 3800056, 4198142, 6342212, 7600112, 8396284, 12684424, 16792568, 20612189, 25368848, 33585136, 41224378, 82448756, 96718733, 164897512, 193437466, 329795024, 386874932, 773749864, 1257343529, 1547499728, 2514687058, 5029374116, 10058748232, 20117496464]

約数ペア:

[(1, 20117496464), (2, 10058748232), (4, 5029374116), (8, 2514687058), (13, 1547499728), (16, 1257343529), (26, 773749864), (52, 386874932), (61, 329795024), (104, 193437466), (122, 164897512), (208, 96718733), (244, 82448756), (488, 41224378), (599, 33585136), (793, 25368848), (976, 20612189), (1198, 16792568), (1586, 12684424), (2396, 8396284), (2647, 7600112), (3172, 6342212), (4792, 4198142), (5294, 3800056), (6344, 3171106), (7787, 2583472), (9584, 2099071), (10588, 1900028), (12688, 1585553), (15574, 1291736), (21176, 950014), (31148, 645868), (34411, 584624), (36539, 550576), (42352, 475007), (62296, 322934), (68822, 292312), (73078, 275288), (124592, 161467), (137644, 146156)]