20253616

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1171}}^1$

素因数の和:1249

約数の個数: 40

約数和(自身を含む): 41854464

約数和(自身を除く): 21600848

約数列:

[1, 2, 4, 8, 16, 23, 46, 47, 92, 94, 184, 188, 368, 376, 752, 1081, 1171, 2162, 2342, 4324, 4684, 8648, 9368, 17296, 18736, 26933, 53866, 55037, 107732, 110074, 215464, 220148, 430928, 440296, 880592, 1265851, 2531702, 5063404, 10126808, 20253616]

約数ペア:

[(1, 20253616), (2, 10126808), (4, 5063404), (8, 2531702), (16, 1265851), (23, 880592), (46, 440296), (47, 430928), (92, 220148), (94, 215464), (184, 110074), (188, 107732), (368, 55037), (376, 53866), (752, 26933), (1081, 18736), (1171, 17296), (2162, 9368), (2342, 8648), (4324, 4684)]