20944995

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1453}}^1$

素因数の和:1523

約数の個数: 24

約数和(自身を含む): 34651728

約数和(自身を除く): 13706733

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 961, 1453, 2883, 4359, 4805, 7265, 14415, 21795, 45043, 135129, 225215, 675645, 1396333, 4188999, 6981665, 20944995]

約数ペア:

[(1, 20944995), (3, 6981665), (5, 4188999), (15, 1396333), (31, 675645), (93, 225215), (155, 135129), (465, 45043), (961, 21795), (1453, 14415), (2883, 7265), (4359, 4805)]