20161121188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1789}}^1\times {\mathrm{6991}}^1$

素因数の和:8828

約数の個数: 48

約数和(自身を含む): 39249172480

約数和(自身を除く): 19088051292

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 1789, 3578, 6991, 7156, 13982, 23257, 27964, 46514, 55459, 90883, 93028, 110918, 181766, 216721, 221836, 363532, 433442, 720967, 866884, 1441934, 2817373, 2883868, 5634746, 11269492, 12506899, 25013798, 50027596, 162589687, 325179374, 387713869, 650358748, 775427738, 1550855476, 5040280297, 10080560594, 20161121188]

約数ペア:

[(1, 20161121188), (2, 10080560594), (4, 5040280297), (13, 1550855476), (26, 775427738), (31, 650358748), (52, 387713869), (62, 325179374), (124, 162589687), (403, 50027596), (806, 25013798), (1612, 12506899), (1789, 11269492), (3578, 5634746), (6991, 2883868), (7156, 2817373), (13982, 1441934), (23257, 866884), (27964, 720967), (46514, 433442), (55459, 363532), (90883, 221836), (93028, 216721), (110918, 181766)]