20863164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{248371}}^1$

素因数の和:248385

約数の個数: 24

約数和(自身を含む): 55635328

約数和(自身を除く): 34772164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 248371, 496742, 745113, 993484, 1490226, 1738597, 2980452, 3477194, 5215791, 6954388, 10431582, 20863164]

約数ペア:

[(1, 20863164), (2, 10431582), (3, 6954388), (4, 5215791), (6, 3477194), (7, 2980452), (12, 1738597), (14, 1490226), (21, 993484), (28, 745113), (42, 496742), (84, 248371)]