20881872

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13183}}^1$

素因数の和:13208

約数の個数: 60

約数和(自身を含む): 63757824

約数和(自身を除く): 42875952

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 13183, 26366, 39549, 52732, 79098, 105464, 118647, 145013, 158196, 210928, 237294, 290026, 316392, 435039, 474588, 580052, 632784, 870078, 949176, 1160104, 1305117, 1740156, 1898352, 2320208, 2610234, 3480312, 5220468, 6960624, 10440936, 20881872]

約数ペア:

[(1, 20881872), (2, 10440936), (3, 6960624), (4, 5220468), (6, 3480312), (8, 2610234), (9, 2320208), (11, 1898352), (12, 1740156), (16, 1305117), (18, 1160104), (22, 949176), (24, 870078), (33, 632784), (36, 580052), (44, 474588), (48, 435039), (66, 316392), (72, 290026), (88, 237294), (99, 210928), (132, 158196), (144, 145013), (176, 118647), (198, 105464), (264, 79098), (396, 52732), (528, 39549), (792, 26366), (1584, 13183)]