20983824

素因数分解:

$2^4\times 3^2\times {\mathrm{145721}}^1$

素因数の和:145735

約数の個数: 30

約数和(自身を含む): 58725966

約数和(自身を除く): 37742142

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 145721, 291442, 437163, 582884, 874326, 1165768, 1311489, 1748652, 2331536, 2622978, 3497304, 5245956, 6994608, 10491912, 20983824]

約数ペア:

[(1, 20983824), (2, 10491912), (3, 6994608), (4, 5245956), (6, 3497304), (8, 2622978), (9, 2331536), (12, 1748652), (16, 1311489), (18, 1165768), (24, 874326), (36, 582884), (48, 437163), (72, 291442), (144, 145721)]