20137051208

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{467}}^1\times {\mathrm{2281}}^1$

素因数の和:2910

約数の個数: 64

約数和(自身を含む): 40369492800

約数和(自身を除く): 20232441592

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139, 278, 467, 556, 934, 1112, 1868, 2281, 2363, 3736, 4562, 4726, 7939, 9124, 9452, 15878, 18248, 18904, 31756, 38777, 63512, 64913, 77554, 129826, 155108, 259652, 310216, 317059, 519304, 634118, 1065227, 1103521, 1268236, 2130454, 2207042, 2536472, 4260908, 4414084, 5390003, 8521816, 8828168, 10780006, 18108859, 21560012, 36217718, 43120024, 72435436, 144870872, 148066553, 296133106, 592266212, 1184532424, 2517131401, 5034262802, 10068525604, 20137051208]

約数ペア:

[(1, 20137051208), (2, 10068525604), (4, 5034262802), (8, 2517131401), (17, 1184532424), (34, 592266212), (68, 296133106), (136, 148066553), (139, 144870872), (278, 72435436), (467, 43120024), (556, 36217718), (934, 21560012), (1112, 18108859), (1868, 10780006), (2281, 8828168), (2363, 8521816), (3736, 5390003), (4562, 4414084), (4726, 4260908), (7939, 2536472), (9124, 2207042), (9452, 2130454), (15878, 1268236), (18248, 1103521), (18904, 1065227), (31756, 634118), (38777, 519304), (63512, 317059), (64913, 310216), (77554, 259652), (129826, 155108)]