20685948

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{13159}}^1$

素因数の和:13297

約数の個数: 24

約数和(自身を含む): 48639360

約数和(自身を除く): 27953412

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 13159, 26318, 39477, 52636, 78954, 157908, 1723829, 3447658, 5171487, 6895316, 10342974, 20685948]

約数ペア:

[(1, 20685948), (2, 10342974), (3, 6895316), (4, 5171487), (6, 3447658), (12, 1723829), (131, 157908), (262, 78954), (393, 52636), (524, 39477), (786, 26318), (1572, 13159)]