20819844

素因数分解:

$2^2\times 3^2\times {\mathrm{541}}^1\times {\mathrm{1069}}^1$

素因数の和:1620

約数の個数: 36

約数和(自身を含む): 52774540

約数和(自身を除く): 31954696

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 541, 1069, 1082, 1623, 2138, 2164, 3207, 3246, 4276, 4869, 6414, 6492, 9621, 9738, 12828, 19242, 19476, 38484, 578329, 1156658, 1734987, 2313316, 3469974, 5204961, 6939948, 10409922, 20819844]

約数ペア:

[(1, 20819844), (2, 10409922), (3, 6939948), (4, 5204961), (6, 3469974), (9, 2313316), (12, 1734987), (18, 1156658), (36, 578329), (541, 38484), (1069, 19476), (1082, 19242), (1623, 12828), (2138, 9738), (2164, 9621), (3207, 6492), (3246, 6414), (4276, 4869)]