20178102932

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1\times {\mathrm{21559}}^1$

素因数の和:22056

約数の個数: 48

約数和(自身を含む): 39046022400

約数和(自身を除く): 18867919468

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 439, 533, 878, 1066, 1756, 2132, 5707, 11414, 17999, 21559, 22828, 35998, 43118, 71996, 86236, 233987, 280267, 467974, 560534, 883919, 935948, 1121068, 1767838, 3535676, 9464401, 11490947, 18928802, 22981894, 37857604, 45963788, 123037213, 246074426, 388040441, 492148852, 776080882, 1552161764, 5044525733, 10089051466, 20178102932]

約数ペア:

[(1, 20178102932), (2, 10089051466), (4, 5044525733), (13, 1552161764), (26, 776080882), (41, 492148852), (52, 388040441), (82, 246074426), (164, 123037213), (439, 45963788), (533, 37857604), (878, 22981894), (1066, 18928802), (1756, 11490947), (2132, 9464401), (5707, 3535676), (11414, 1767838), (17999, 1121068), (21559, 935948), (22828, 883919), (35998, 560534), (43118, 467974), (71996, 280267), (86236, 233987)]