20271594

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{191}}^1$

素因数の和:248

約数の個数: 72

約数和(自身を含む): 50035968

約数和(自身を除く): 29764374

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 191, 266, 294, 361, 382, 399, 573, 722, 798, 931, 1083, 1146, 1337, 1862, 2166, 2527, 2674, 2793, 3629, 4011, 5054, 5586, 7258, 7581, 8022, 9359, 10887, 15162, 17689, 18718, 21774, 25403, 28077, 35378, 50806, 53067, 56154, 68951, 76209, 106134, 137902, 152418, 177821, 206853, 355642, 413706, 482657, 533463, 965314, 1066926, 1447971, 2895942, 3378599, 6757198, 10135797, 20271594]

約数ペア:

[(1, 20271594), (2, 10135797), (3, 6757198), (6, 3378599), (7, 2895942), (14, 1447971), (19, 1066926), (21, 965314), (38, 533463), (42, 482657), (49, 413706), (57, 355642), (98, 206853), (114, 177821), (133, 152418), (147, 137902), (191, 106134), (266, 76209), (294, 68951), (361, 56154), (382, 53067), (399, 50806), (573, 35378), (722, 28077), (798, 25403), (931, 21774), (1083, 18718), (1146, 17689), (1337, 15162), (1862, 10887), (2166, 9359), (2527, 8022), (2674, 7581), (2793, 7258), (3629, 5586), (4011, 5054)]