20758584

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 66355200

約数和(自身を除く): 45596616

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 47, 56, 66, 77, 84, 88, 94, 132, 141, 154, 168, 188, 231, 239, 264, 282, 308, 329, 376, 462, 478, 517, 564, 616, 658, 717, 924, 956, 987, 1034, 1128, 1316, 1434, 1551, 1673, 1848, 1912, 1974, 2068, 2629, 2632, 2868, 3102, 3346, 3619, 3948, 4136, 5019, 5258, 5736, 6204, 6692, 7238, 7887, 7896, 10038, 10516, 10857, 11233, 12408, 13384, 14476, 15774, 18403, 20076, 21032, 21714, 22466, 28952, 31548, 33699, 36806, 40152, 43428, 44932, 55209, 63096, 67398, 73612, 78631, 86856, 89864, 110418, 123563, 134796, 147224, 157262, 220836, 235893, 247126, 269592, 314524, 370689, 441672, 471786, 494252, 629048, 741378, 864941, 943572, 988504, 1482756, 1729882, 1887144, 2594823, 2965512, 3459764, 5189646, 6919528, 10379292, 20758584]

約数ペア:

[(1, 20758584), (2, 10379292), (3, 6919528), (4, 5189646), (6, 3459764), (7, 2965512), (8, 2594823), (11, 1887144), (12, 1729882), (14, 1482756), (21, 988504), (22, 943572), (24, 864941), (28, 741378), (33, 629048), (42, 494252), (44, 471786), (47, 441672), (56, 370689), (66, 314524), (77, 269592), (84, 247126), (88, 235893), (94, 220836), (132, 157262), (141, 147224), (154, 134796), (168, 123563), (188, 110418), (231, 89864), (239, 86856), (264, 78631), (282, 73612), (308, 67398), (329, 63096), (376, 55209), (462, 44932), (478, 43428), (517, 40152), (564, 36806), (616, 33699), (658, 31548), (717, 28952), (924, 22466), (956, 21714), (987, 21032), (1034, 20076), (1128, 18403), (1316, 15774), (1434, 14476), (1551, 13384), (1673, 12408), (1848, 11233), (1912, 10857), (1974, 10516), (2068, 10038), (2629, 7896), (2632, 7887), (2868, 7238), (3102, 6692), (3346, 6204), (3619, 5736), (3948, 5258), (4136, 5019)]