20123399338

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{52561}}^1$

素因数の和:52663

約数の個数: 64

約数和(自身を含む): 38147397120

約数和(自身を除く): 18023997782

約数列:

[1, 2, 7, 14, 23, 29, 41, 46, 58, 82, 161, 203, 287, 322, 406, 574, 667, 943, 1189, 1334, 1886, 2378, 4669, 6601, 8323, 9338, 13202, 16646, 27347, 52561, 54694, 105122, 191429, 367927, 382858, 735854, 1208903, 1524269, 2155001, 2417806, 3048538, 4310002, 8462321, 10669883, 15085007, 16924642, 21339766, 30170014, 35058187, 49565023, 62495029, 70116374, 99130046, 124990058, 245407309, 346955161, 437465203, 490814618, 693910322, 874930406, 1437385667, 2874771334, 10061699669, 20123399338]

約数ペア:

[(1, 20123399338), (2, 10061699669), (7, 2874771334), (14, 1437385667), (23, 874930406), (29, 693910322), (41, 490814618), (46, 437465203), (58, 346955161), (82, 245407309), (161, 124990058), (203, 99130046), (287, 70116374), (322, 62495029), (406, 49565023), (574, 35058187), (667, 30170014), (943, 21339766), (1189, 16924642), (1334, 15085007), (1886, 10669883), (2378, 8462321), (4669, 4310002), (6601, 3048538), (8323, 2417806), (9338, 2155001), (13202, 1524269), (16646, 1208903), (27347, 735854), (52561, 382858), (54694, 367927), (105122, 191429)]