20384628

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 53178720

約数和(自身を除く): 32794092

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 101, 121, 132, 139, 202, 242, 278, 303, 363, 404, 417, 484, 556, 606, 726, 834, 1111, 1212, 1452, 1529, 1668, 2222, 3058, 3333, 4444, 4587, 6116, 6666, 9174, 12221, 13332, 14039, 16819, 18348, 24442, 28078, 33638, 36663, 42117, 48884, 50457, 56156, 67276, 73326, 84234, 100914, 146652, 154429, 168468, 201828, 308858, 463287, 617716, 926574, 1698719, 1853148, 3397438, 5096157, 6794876, 10192314, 20384628]

約数ペア:

[(1, 20384628), (2, 10192314), (3, 6794876), (4, 5096157), (6, 3397438), (11, 1853148), (12, 1698719), (22, 926574), (33, 617716), (44, 463287), (66, 308858), (101, 201828), (121, 168468), (132, 154429), (139, 146652), (202, 100914), (242, 84234), (278, 73326), (303, 67276), (363, 56156), (404, 50457), (417, 48884), (484, 42117), (556, 36663), (606, 33638), (726, 28078), (834, 24442), (1111, 18348), (1212, 16819), (1452, 14039), (1529, 13332), (1668, 12221), (2222, 9174), (3058, 6666), (3333, 6116), (4444, 4587)]