20507370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52583}}^1$

素因数の和:52606

約数の個数: 32

約数和(自身を含む): 53004672

約数和(自身を除く): 32497302

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 52583, 105166, 157749, 262915, 315498, 525830, 683579, 788745, 1367158, 1577490, 2050737, 3417895, 4101474, 6835790, 10253685, 20507370]

約数ペア:

[(1, 20507370), (2, 10253685), (3, 6835790), (5, 4101474), (6, 3417895), (10, 2050737), (13, 1577490), (15, 1367158), (26, 788745), (30, 683579), (39, 525830), (65, 315498), (78, 262915), (130, 157749), (195, 105166), (390, 52583)]