20671036722

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{495637}}^1$

素因数の和:495983

約数の個数: 48

約数和(自身を含む): 51340166592

約数和(自身を除く): 30669129870

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 331, 662, 993, 1986, 2317, 2979, 4634, 5958, 6951, 13902, 20853, 41706, 495637, 991274, 1486911, 2973822, 3469459, 4460733, 6938918, 8921466, 10408377, 20816754, 31225131, 62450262, 164055847, 328111694, 492167541, 984335082, 1148390929, 1476502623, 2296781858, 2953005246, 3445172787, 6890345574, 10335518361, 20671036722]

約数ペア:

[(1, 20671036722), (2, 10335518361), (3, 6890345574), (6, 3445172787), (7, 2953005246), (9, 2296781858), (14, 1476502623), (18, 1148390929), (21, 984335082), (42, 492167541), (63, 328111694), (126, 164055847), (331, 62450262), (662, 31225131), (993, 20816754), (1986, 10408377), (2317, 8921466), (2979, 6938918), (4634, 4460733), (5958, 3469459), (6951, 2973822), (13902, 1486911), (20853, 991274), (41706, 495637)]