20894454

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{165829}}^1$

素因数の和:165844

約数の個数: 24

約数和(自身を含む): 51738960

約数和(自身を除く): 30844506

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 165829, 331658, 497487, 994974, 1160803, 1492461, 2321606, 2984922, 3482409, 6964818, 10447227, 20894454]

約数ペア:

[(1, 20894454), (2, 10447227), (3, 6964818), (6, 3482409), (7, 2984922), (9, 2321606), (14, 1492461), (18, 1160803), (21, 994974), (42, 497487), (63, 331658), (126, 165829)]