20129890173

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1\times {\mathrm{1667}}^1$

素因数の和:2161

約数の個数: 32

約数和(自身を含む): 27381888000

約数和(自身を除く): 7251997827

約数列:

[1, 3, 113, 179, 199, 339, 537, 597, 1667, 5001, 20227, 22487, 35621, 60681, 67461, 106863, 188371, 298393, 331733, 565113, 895179, 995199, 4025173, 12075519, 33718409, 37485829, 59380207, 101155227, 112457487, 178140621, 6709963391, 20129890173]

約数ペア:

[(1, 20129890173), (3, 6709963391), (113, 178140621), (179, 112457487), (199, 101155227), (339, 59380207), (537, 37485829), (597, 33718409), (1667, 12075519), (5001, 4025173), (20227, 995199), (22487, 895179), (35621, 565113), (60681, 331733), (67461, 298393), (106863, 188371)]