20494366976

素因数分解:

$2^8\times {\mathrm{71}}^2\times {\mathrm{15881}}^1$

素因数の和:16039

約数の個数: 54

約数和(自身を含む): 41495584326

約数和(自身を除く): 21001217350

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 256, 284, 568, 1136, 2272, 4544, 5041, 9088, 10082, 15881, 18176, 20164, 31762, 40328, 63524, 80656, 127048, 161312, 254096, 322624, 508192, 645248, 1016384, 1127551, 1290496, 2032768, 2255102, 4065536, 4510204, 9020408, 18040816, 36081632, 72163264, 80056121, 144326528, 160112242, 288653056, 320224484, 640448968, 1280897936, 2561795872, 5123591744, 10247183488, 20494366976]

約数ペア:

[(1, 20494366976), (2, 10247183488), (4, 5123591744), (8, 2561795872), (16, 1280897936), (32, 640448968), (64, 320224484), (71, 288653056), (128, 160112242), (142, 144326528), (256, 80056121), (284, 72163264), (568, 36081632), (1136, 18040816), (2272, 9020408), (4544, 4510204), (5041, 4065536), (9088, 2255102), (10082, 2032768), (15881, 1290496), (18176, 1127551), (20164, 1016384), (31762, 645248), (40328, 508192), (63524, 322624), (80656, 254096), (127048, 161312)]