20218842672

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{847537}}^1$

素因数の和:847626

約数の個数: 80

約数和(自身を含む): 60534554112

約数和(自身を除く): 40315711440

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 71, 84, 112, 142, 168, 213, 284, 336, 426, 497, 568, 852, 994, 1136, 1491, 1704, 1988, 2982, 3408, 3976, 5964, 7952, 11928, 23856, 847537, 1695074, 2542611, 3390148, 5085222, 5932759, 6780296, 10170444, 11865518, 13560592, 17798277, 20340888, 23731036, 35596554, 40681776, 47462072, 60175127, 71193108, 94924144, 120350254, 142386216, 180525381, 240700508, 284772432, 361050762, 421225889, 481401016, 722101524, 842451778, 962802032, 1263677667, 1444203048, 1684903556, 2527355334, 2888406096, 3369807112, 5054710668, 6739614224, 10109421336, 20218842672]

約数ペア:

[(1, 20218842672), (2, 10109421336), (3, 6739614224), (4, 5054710668), (6, 3369807112), (7, 2888406096), (8, 2527355334), (12, 1684903556), (14, 1444203048), (16, 1263677667), (21, 962802032), (24, 842451778), (28, 722101524), (42, 481401016), (48, 421225889), (56, 361050762), (71, 284772432), (84, 240700508), (112, 180525381), (142, 142386216), (168, 120350254), (213, 94924144), (284, 71193108), (336, 60175127), (426, 47462072), (497, 40681776), (568, 35596554), (852, 23731036), (994, 20340888), (1136, 17798277), (1491, 13560592), (1704, 11865518), (1988, 10170444), (2982, 6780296), (3408, 5932759), (3976, 5085222), (5964, 3390148), (7952, 2542611), (11928, 1695074), (23856, 847537)]