20278314987

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{787}}^1\times {\mathrm{7621}}^1$

素因数の和:8448

約数の個数: 48

約数和(自身を含む): 32865576192

約数和(自身を除く): 12587261205

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 787, 1127, 2361, 3381, 5509, 7621, 16527, 18101, 22863, 38563, 53347, 54303, 115689, 126707, 160041, 175283, 373429, 380121, 525849, 886949, 1120287, 1226981, 2660847, 3680943, 5997727, 8588867, 17993181, 25766601, 41984089, 125952267, 137947721, 293888623, 413843163, 881665869, 965634047, 2896902141, 6759438329, 20278314987]

約数ペア:

[(1, 20278314987), (3, 6759438329), (7, 2896902141), (21, 965634047), (23, 881665869), (49, 413843163), (69, 293888623), (147, 137947721), (161, 125952267), (483, 41984089), (787, 25766601), (1127, 17993181), (2361, 8588867), (3381, 5997727), (5509, 3680943), (7621, 2660847), (16527, 1226981), (18101, 1120287), (22863, 886949), (38563, 525849), (53347, 380121), (54303, 373429), (115689, 175283), (126707, 160041)]