20788716

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{133261}}^1$

素因数の和:133281

約数の個数: 24

約数和(自身を含む): 52238704

約数和(自身を除く): 31449988

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 133261, 266522, 399783, 533044, 799566, 1599132, 1732393, 3464786, 5197179, 6929572, 10394358, 20788716]

約数ペア:

[(1, 20788716), (2, 10394358), (3, 6929572), (4, 5197179), (6, 3464786), (12, 1732393), (13, 1599132), (26, 799566), (39, 533044), (52, 399783), (78, 266522), (156, 133261)]