20458144

素因数分解:

$2^5\times 7^1\times {\mathrm{91331}}^1$

素因数の和:91348

約数の個数: 24

約数和(自身を含む): 46031328

約数和(自身を除く): 25573184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 91331, 182662, 365324, 639317, 730648, 1278634, 1461296, 2557268, 2922592, 5114536, 10229072, 20458144]

約数ペア:

[(1, 20458144), (2, 10229072), (4, 5114536), (7, 2922592), (8, 2557268), (14, 1461296), (16, 1278634), (28, 730648), (32, 639317), (56, 365324), (112, 182662), (224, 91331)]