20161971764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{77521}}^1$

素因数の和:77816

約数の個数: 48

約数和(自身を含む): 40321362816

約数和(自身を除く): 20159391052

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 257, 506, 514, 1012, 1028, 2827, 5654, 5911, 11308, 11822, 23644, 65021, 77521, 130042, 155042, 260084, 310084, 852731, 1705462, 1782983, 3410924, 3565966, 7131932, 19612813, 19922897, 39225626, 39845794, 78451252, 79691588, 219151867, 438303734, 458226631, 876607468, 916453262, 1832906524, 5040492941, 10080985882, 20161971764]

約数ペア:

[(1, 20161971764), (2, 10080985882), (4, 5040492941), (11, 1832906524), (22, 916453262), (23, 876607468), (44, 458226631), (46, 438303734), (92, 219151867), (253, 79691588), (257, 78451252), (506, 39845794), (514, 39225626), (1012, 19922897), (1028, 19612813), (2827, 7131932), (5654, 3565966), (5911, 3410924), (11308, 1782983), (11822, 1705462), (23644, 852731), (65021, 310084), (77521, 260084), (130042, 155042)]