20409940936

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{453877}}^1$

素因数の和:453974

約数の個数: 64

約数和(自身を含む): 48365239680

約数和(自身を除く): 27955298744

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 73, 77, 88, 146, 154, 292, 308, 511, 584, 616, 803, 1022, 1606, 2044, 3212, 4088, 5621, 6424, 11242, 22484, 44968, 453877, 907754, 1815508, 3177139, 3631016, 4992647, 6354278, 9985294, 12708556, 19970588, 25417112, 33133021, 34948529, 39941176, 66266042, 69897058, 132532084, 139794116, 231931147, 265064168, 279588232, 364463231, 463862294, 728926462, 927724588, 1457852924, 1855449176, 2551242617, 2915705848, 5102485234, 10204970468, 20409940936]

約数ペア:

[(1, 20409940936), (2, 10204970468), (4, 5102485234), (7, 2915705848), (8, 2551242617), (11, 1855449176), (14, 1457852924), (22, 927724588), (28, 728926462), (44, 463862294), (56, 364463231), (73, 279588232), (77, 265064168), (88, 231931147), (146, 139794116), (154, 132532084), (292, 69897058), (308, 66266042), (511, 39941176), (584, 34948529), (616, 33133021), (803, 25417112), (1022, 19970588), (1606, 12708556), (2044, 9985294), (3212, 6354278), (4088, 4992647), (5621, 3631016), (6424, 3177139), (11242, 1815508), (22484, 907754), (44968, 453877)]