20021586

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{256687}}^1$

素因数の和:256705

約数の個数: 16

約数和(自身を含む): 43123584

約数和(自身を除く): 23101998

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 256687, 513374, 770061, 1540122, 3336931, 6673862, 10010793, 20021586]

約数ペア:

[(1, 20021586), (2, 10010793), (3, 6673862), (6, 3336931), (13, 1540122), (26, 770061), (39, 513374), (78, 256687)]