20570816

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:146

約数の個数: 112

約数和(自身を含む): 51425856

約数和(自身を除く): 30855040

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 37, 56, 64, 68, 73, 74, 112, 119, 136, 146, 148, 224, 238, 259, 272, 292, 296, 448, 476, 511, 518, 544, 584, 592, 629, 952, 1022, 1036, 1088, 1168, 1184, 1241, 1258, 1904, 2044, 2072, 2336, 2368, 2482, 2516, 2701, 3808, 4088, 4144, 4403, 4672, 4964, 5032, 5402, 7616, 8176, 8288, 8687, 8806, 9928, 10064, 10804, 16352, 16576, 17374, 17612, 18907, 19856, 20128, 21608, 32704, 34748, 35224, 37814, 39712, 40256, 43216, 45917, 69496, 70448, 75628, 79424, 86432, 91834, 138992, 140896, 151256, 172864, 183668, 277984, 281792, 302512, 321419, 367336, 555968, 605024, 642838, 734672, 1210048, 1285676, 1469344, 2571352, 2938688, 5142704, 10285408, 20570816]

約数ペア:

[(1, 20570816), (2, 10285408), (4, 5142704), (7, 2938688), (8, 2571352), (14, 1469344), (16, 1285676), (17, 1210048), (28, 734672), (32, 642838), (34, 605024), (37, 555968), (56, 367336), (64, 321419), (68, 302512), (73, 281792), (74, 277984), (112, 183668), (119, 172864), (136, 151256), (146, 140896), (148, 138992), (224, 91834), (238, 86432), (259, 79424), (272, 75628), (292, 70448), (296, 69496), (448, 45917), (476, 43216), (511, 40256), (518, 39712), (544, 37814), (584, 35224), (592, 34748), (629, 32704), (952, 21608), (1022, 20128), (1036, 19856), (1088, 18907), (1168, 17612), (1184, 17374), (1241, 16576), (1258, 16352), (1904, 10804), (2044, 10064), (2072, 9928), (2336, 8806), (2368, 8687), (2482, 8288), (2516, 8176), (2701, 7616), (3808, 5402), (4088, 5032), (4144, 4964), (4403, 4672)]