20474712

素因数分解:

$2^3\times 3^2\times {\mathrm{199}}^1\times {\mathrm{1429}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 55770000

約数和(自身を除く): 35295288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 199, 398, 597, 796, 1194, 1429, 1592, 1791, 2388, 2858, 3582, 4287, 4776, 5716, 7164, 8574, 11432, 12861, 14328, 17148, 25722, 34296, 51444, 102888, 284371, 568742, 853113, 1137484, 1706226, 2274968, 2559339, 3412452, 5118678, 6824904, 10237356, 20474712]

約数ペア:

[(1, 20474712), (2, 10237356), (3, 6824904), (4, 5118678), (6, 3412452), (8, 2559339), (9, 2274968), (12, 1706226), (18, 1137484), (24, 853113), (36, 568742), (72, 284371), (199, 102888), (398, 51444), (597, 34296), (796, 25722), (1194, 17148), (1429, 14328), (1592, 12861), (1791, 11432), (2388, 8574), (2858, 7164), (3582, 5716), (4287, 4776)]