20464164

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{1289}}^1$

素因数の和:1319

約数の個数: 90

約数和(自身を含む): 62279910

約数和(自身を除く): 41815746

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1289, 1323, 1764, 2268, 2578, 2646, 3867, 3969, 5156, 5292, 7734, 7938, 9023, 11601, 15468, 15876, 18046, 23202, 27069, 34803, 36092, 46404, 54138, 63161, 69606, 81207, 104409, 108276, 126322, 139212, 162414, 189483, 208818, 243621, 252644, 324828, 378966, 417636, 487242, 568449, 730863, 757932, 974484, 1136898, 1461726, 1705347, 2273796, 2923452, 3410694, 5116041, 6821388, 10232082, 20464164]

約数ペア:

[(1, 20464164), (2, 10232082), (3, 6821388), (4, 5116041), (6, 3410694), (7, 2923452), (9, 2273796), (12, 1705347), (14, 1461726), (18, 1136898), (21, 974484), (27, 757932), (28, 730863), (36, 568449), (42, 487242), (49, 417636), (54, 378966), (63, 324828), (81, 252644), (84, 243621), (98, 208818), (108, 189483), (126, 162414), (147, 139212), (162, 126322), (189, 108276), (196, 104409), (252, 81207), (294, 69606), (324, 63161), (378, 54138), (441, 46404), (567, 36092), (588, 34803), (756, 27069), (882, 23202), (1134, 18046), (1289, 15876), (1323, 15468), (1764, 11601), (2268, 9023), (2578, 7938), (2646, 7734), (3867, 5292), (3969, 5156)]