20213844

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{240641}}^1$

素因数の和:240655

約数の個数: 24

約数和(自身を含む): 53903808

約数和(自身を除く): 33689964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 240641, 481282, 721923, 962564, 1443846, 1684487, 2887692, 3368974, 5053461, 6737948, 10106922, 20213844]

約数ペア:

[(1, 20213844), (2, 10106922), (3, 6737948), (4, 5053461), (6, 3368974), (7, 2887692), (12, 1684487), (14, 1443846), (21, 962564), (28, 721923), (42, 481282), (84, 240641)]