20218688

素因数分解:

$2^6\times 7^1\times {\mathrm{45131}}^1$

素因数の和:45150

約数の個数: 28

約数和(自身を含む): 45854112

約数和(自身を除く): 25635424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 45131, 90262, 180524, 315917, 361048, 631834, 722096, 1263668, 1444192, 2527336, 2888384, 5054672, 10109344, 20218688]

約数ペア:

[(1, 20218688), (2, 10109344), (4, 5054672), (7, 2888384), (8, 2527336), (14, 1444192), (16, 1263668), (28, 722096), (32, 631834), (56, 361048), (64, 315917), (112, 180524), (224, 90262), (448, 45131)]