20555388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81569}}^1$

素因数の和:81586

約数の個数: 36

約数和(自身を含む): 59382960

約数和(自身を除く): 38827572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81569, 163138, 244707, 326276, 489414, 570983, 734121, 978828, 1141966, 1468242, 1712949, 2283932, 2936484, 3425898, 5138847, 6851796, 10277694, 20555388]

約数ペア:

[(1, 20555388), (2, 10277694), (3, 6851796), (4, 5138847), (6, 3425898), (7, 2936484), (9, 2283932), (12, 1712949), (14, 1468242), (18, 1141966), (21, 978828), (28, 734121), (36, 570983), (42, 489414), (63, 326276), (84, 244707), (126, 163138), (252, 81569)]