20122713

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 33860736

約数和(自身を除く): 13738023

約数列:

[1, 3, 9, 13, 17, 39, 51, 67, 117, 151, 153, 201, 221, 453, 603, 663, 871, 1139, 1359, 1963, 1989, 2567, 2613, 3417, 5889, 7701, 7839, 10117, 10251, 14807, 17667, 23103, 30351, 33371, 44421, 91053, 100113, 131521, 133263, 171989, 300339, 394563, 515967, 1183689, 1547901, 2235857, 6707571, 20122713]

約数ペア:

[(1, 20122713), (3, 6707571), (9, 2235857), (13, 1547901), (17, 1183689), (39, 515967), (51, 394563), (67, 300339), (117, 171989), (151, 133263), (153, 131521), (201, 100113), (221, 91053), (453, 44421), (603, 33371), (663, 30351), (871, 23103), (1139, 17667), (1359, 14807), (1963, 10251), (1989, 10117), (2567, 7839), (2613, 7701), (3417, 5889)]