20948864

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{2683}}^1$

素因数の和:2758

約数の個数: 32

約数和(自身を含む): 42434040

約数和(自身を除く): 21485176

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 2683, 3904, 5366, 7808, 10732, 21464, 42928, 85856, 163663, 171712, 327326, 343424, 654652, 1309304, 2618608, 5237216, 10474432, 20948864]

約数ペア:

[(1, 20948864), (2, 10474432), (4, 5237216), (8, 2618608), (16, 1309304), (32, 654652), (61, 343424), (64, 327326), (122, 171712), (128, 163663), (244, 85856), (488, 42928), (976, 21464), (1952, 10732), (2683, 7808), (3904, 5366)]