20903648

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{34381}}^1$

素因数の和:34410

約数の個数: 24

約数和(自身を含む): 43321320

約数和(自身を除く): 22417672

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 34381, 68762, 137524, 275048, 550096, 653239, 1100192, 1306478, 2612956, 5225912, 10451824, 20903648]

約数ペア:

[(1, 20903648), (2, 10451824), (4, 5225912), (8, 2612956), (16, 1306478), (19, 1100192), (32, 653239), (38, 550096), (76, 275048), (152, 137524), (304, 68762), (608, 34381)]