20213536

素因数分解:

$2^5\times 7^1\times {\mathrm{90239}}^1$

素因数の和:90256

約数の個数: 24

約数和(自身を含む): 45480960

約数和(自身を除く): 25267424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 90239, 180478, 360956, 631673, 721912, 1263346, 1443824, 2526692, 2887648, 5053384, 10106768, 20213536]

約数ペア:

[(1, 20213536), (2, 10106768), (4, 5053384), (7, 2887648), (8, 2526692), (14, 1443824), (16, 1263346), (28, 721912), (32, 631673), (56, 360956), (112, 180478), (224, 90239)]