20215477328

素因数分解:

$2^4\times {\mathrm{1901}}^1\times {\mathrm{664633}}^1$

素因数の和:666542

約数の個数: 20

約数和(自身を含む): 39188149908

約数和(自身を除く): 18972672580

約数列:

[1, 2, 4, 8, 16, 1901, 3802, 7604, 15208, 30416, 664633, 1329266, 2658532, 5317064, 10634128, 1263467333, 2526934666, 5053869332, 10107738664, 20215477328]

約数ペア:

[(1, 20215477328), (2, 10107738664), (4, 5053869332), (8, 2526934666), (16, 1263467333), (1901, 10634128), (3802, 5317064), (7604, 2658532), (15208, 1329266), (30416, 664633)]