20176679816

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{18757}}^1$

素因数の和:18918

約数の個数: 64

約数和(自身を含む): 40112107200

約数和(自身を除く): 19935427384

約数列:

[1, 2, 4, 8, 43, 53, 59, 86, 106, 118, 172, 212, 236, 344, 424, 472, 2279, 2537, 3127, 4558, 5074, 6254, 9116, 10148, 12508, 18232, 18757, 20296, 25016, 37514, 75028, 134461, 150056, 268922, 537844, 806551, 994121, 1075688, 1106663, 1613102, 1988242, 2213326, 3226204, 3976484, 4426652, 6452408, 7952968, 8853304, 42747203, 47586509, 58653139, 85494406, 95173018, 117306278, 170988812, 190346036, 234612556, 341977624, 380692072, 469225112, 2522084977, 5044169954, 10088339908, 20176679816]

約数ペア:

[(1, 20176679816), (2, 10088339908), (4, 5044169954), (8, 2522084977), (43, 469225112), (53, 380692072), (59, 341977624), (86, 234612556), (106, 190346036), (118, 170988812), (172, 117306278), (212, 95173018), (236, 85494406), (344, 58653139), (424, 47586509), (472, 42747203), (2279, 8853304), (2537, 7952968), (3127, 6452408), (4558, 4426652), (5074, 3976484), (6254, 3226204), (9116, 2213326), (10148, 1988242), (12508, 1613102), (18232, 1106663), (18757, 1075688), (20296, 994121), (25016, 806551), (37514, 537844), (75028, 268922), (134461, 150056)]