20050688

素因数分解:

$2^8\times 7^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 46701312

約数和(自身を除く): 26650624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 67, 112, 128, 134, 167, 224, 256, 268, 334, 448, 469, 536, 668, 896, 938, 1072, 1169, 1336, 1792, 1876, 2144, 2338, 2672, 3752, 4288, 4676, 5344, 7504, 8576, 9352, 10688, 11189, 15008, 17152, 18704, 21376, 22378, 30016, 37408, 42752, 44756, 60032, 74816, 78323, 89512, 120064, 149632, 156646, 179024, 299264, 313292, 358048, 626584, 716096, 1253168, 1432192, 2506336, 2864384, 5012672, 10025344, 20050688]

約数ペア:

[(1, 20050688), (2, 10025344), (4, 5012672), (7, 2864384), (8, 2506336), (14, 1432192), (16, 1253168), (28, 716096), (32, 626584), (56, 358048), (64, 313292), (67, 299264), (112, 179024), (128, 156646), (134, 149632), (167, 120064), (224, 89512), (256, 78323), (268, 74816), (334, 60032), (448, 44756), (469, 42752), (536, 37408), (668, 30016), (896, 22378), (938, 21376), (1072, 18704), (1169, 17152), (1336, 15008), (1792, 11189), (1876, 10688), (2144, 9352), (2338, 8576), (2672, 7504), (3752, 5344), (4288, 4676)]