20454854

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6733}}^1$

素因数の和:6780

約数の個数: 24

約数和(自身を含む): 36848448

約数和(自身を除く): 16393594

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 434, 1519, 3038, 6733, 13466, 47131, 94262, 208723, 329917, 417446, 659834, 1461061, 2922122, 10227427, 20454854]

約数ペア:

[(1, 20454854), (2, 10227427), (7, 2922122), (14, 1461061), (31, 659834), (49, 417446), (62, 329917), (98, 208723), (217, 94262), (434, 47131), (1519, 13466), (3038, 6733)]