20944425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{16427}}^1$

素因数の和:16457

約数の個数: 24

約数和(自身を含む): 36667296

約数和(自身を除く): 15722871

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 16427, 49281, 82135, 246405, 279259, 410675, 837777, 1232025, 1396295, 4188885, 6981475, 20944425]

約数ペア:

[(1, 20944425), (3, 6981475), (5, 4188885), (15, 1396295), (17, 1232025), (25, 837777), (51, 410675), (75, 279259), (85, 246405), (255, 82135), (425, 49281), (1275, 16427)]