20847456

素因数分解:

$2^5\times 3^5\times 7^1\times {\mathrm{383}}^1$

素因数の和:415

約数の個数: 144

約数和(自身を含む): 70447104

約数和(自身を除く): 49599648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 216, 224, 243, 252, 288, 324, 336, 378, 383, 432, 486, 504, 567, 648, 672, 756, 766, 864, 972, 1008, 1134, 1149, 1296, 1512, 1532, 1701, 1944, 2016, 2268, 2298, 2592, 2681, 3024, 3064, 3402, 3447, 3888, 4536, 4596, 5362, 6048, 6128, 6804, 6894, 7776, 8043, 9072, 9192, 10341, 10724, 12256, 13608, 13788, 16086, 18144, 18384, 20682, 21448, 24129, 27216, 27576, 31023, 32172, 36768, 41364, 42896, 48258, 54432, 55152, 62046, 64344, 72387, 82728, 85792, 93069, 96516, 110304, 124092, 128688, 144774, 165456, 186138, 193032, 217161, 248184, 257376, 289548, 330912, 372276, 386064, 434322, 496368, 579096, 651483, 744552, 772128, 868644, 992736, 1158192, 1302966, 1489104, 1737288, 2316384, 2605932, 2978208, 3474576, 5211864, 6949152, 10423728, 20847456]

約数ペア:

[(1, 20847456), (2, 10423728), (3, 6949152), (4, 5211864), (6, 3474576), (7, 2978208), (8, 2605932), (9, 2316384), (12, 1737288), (14, 1489104), (16, 1302966), (18, 1158192), (21, 992736), (24, 868644), (27, 772128), (28, 744552), (32, 651483), (36, 579096), (42, 496368), (48, 434322), (54, 386064), (56, 372276), (63, 330912), (72, 289548), (81, 257376), (84, 248184), (96, 217161), (108, 193032), (112, 186138), (126, 165456), (144, 144774), (162, 128688), (168, 124092), (189, 110304), (216, 96516), (224, 93069), (243, 85792), (252, 82728), (288, 72387), (324, 64344), (336, 62046), (378, 55152), (383, 54432), (432, 48258), (486, 42896), (504, 41364), (567, 36768), (648, 32172), (672, 31023), (756, 27576), (766, 27216), (864, 24129), (972, 21448), (1008, 20682), (1134, 18384), (1149, 18144), (1296, 16086), (1512, 13788), (1532, 13608), (1701, 12256), (1944, 10724), (2016, 10341), (2268, 9192), (2298, 9072), (2592, 8043), (2681, 7776), (3024, 6894), (3064, 6804), (3402, 6128), (3447, 6048), (3888, 5362), (4536, 4596)]