20574468

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{13291}}^1$

素因数の和:13344

約数の個数: 36

約数和(自身を含む): 53221168

約数和(自身を除く): 32646700

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 13291, 26582, 39873, 53164, 79746, 119619, 159492, 239238, 478476, 571513, 1143026, 1714539, 2286052, 3429078, 5143617, 6858156, 10287234, 20574468]

約数ペア:

[(1, 20574468), (2, 10287234), (3, 6858156), (4, 5143617), (6, 3429078), (9, 2286052), (12, 1714539), (18, 1143026), (36, 571513), (43, 478476), (86, 239238), (129, 159492), (172, 119619), (258, 79746), (387, 53164), (516, 39873), (774, 26582), (1548, 13291)]