20563668

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{19697}}^1$

素因数の和:19736

約数の個数: 36

約数和(自身を含む): 53775540

約数和(自身を除く): 33211872

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 19697, 39394, 59091, 78788, 118182, 177273, 236364, 354546, 571213, 709092, 1142426, 1713639, 2284852, 3427278, 5140917, 6854556, 10281834, 20563668]

約数ペア:

[(1, 20563668), (2, 10281834), (3, 6854556), (4, 5140917), (6, 3427278), (9, 2284852), (12, 1713639), (18, 1142426), (29, 709092), (36, 571213), (58, 354546), (87, 236364), (116, 177273), (174, 118182), (261, 78788), (348, 59091), (522, 39394), (1044, 19697)]