20630988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81869}}^1$

素因数の和:81886

約数の個数: 36

約数和(自身を含む): 59601360

約数和(自身を除く): 38970372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81869, 163738, 245607, 327476, 491214, 573083, 736821, 982428, 1146166, 1473642, 1719249, 2292332, 2947284, 3438498, 5157747, 6876996, 10315494, 20630988]

約数ペア:

[(1, 20630988), (2, 10315494), (3, 6876996), (4, 5157747), (6, 3438498), (7, 2947284), (9, 2292332), (12, 1719249), (14, 1473642), (18, 1146166), (21, 982428), (28, 736821), (36, 573083), (42, 491214), (63, 327476), (84, 245607), (126, 163738), (252, 81869)]