20817936

素因数分解:

$2^4\times 3^2\times {\mathrm{144569}}^1$

素因数の和:144583

約数の個数: 30

約数和(自身を含む): 58261710

約数和(自身を除く): 37443774

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 144569, 289138, 433707, 578276, 867414, 1156552, 1301121, 1734828, 2313104, 2602242, 3469656, 5204484, 6939312, 10408968, 20817936]

約数ペア:

[(1, 20817936), (2, 10408968), (3, 6939312), (4, 5204484), (6, 3469656), (8, 2602242), (9, 2313104), (12, 1734828), (16, 1301121), (18, 1156552), (24, 867414), (36, 578276), (48, 433707), (72, 289138), (144, 144569)]