20413494

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15973}}^1$

素因数の和:16052

約数の個数: 24

約数和(自身を含む): 44854992

約数和(自身を除く): 24441498

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 15973, 31946, 47919, 95838, 143757, 287514, 1134083, 2268166, 3402249, 6804498, 10206747, 20413494]

約数ペア:

[(1, 20413494), (2, 10206747), (3, 6804498), (6, 3402249), (9, 2268166), (18, 1134083), (71, 287514), (142, 143757), (213, 95838), (426, 47919), (639, 31946), (1278, 15973)]