20408865732

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{9945841}}^1$

素因数の和:9945873

約数の個数: 48

約数和(自身を含む): 55696715200

約数和(自身を除く): 35287849468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 9945841, 19891682, 29837523, 39783364, 59675046, 89512569, 119350092, 179025138, 188970979, 268537707, 358050276, 377941958, 537075414, 566912937, 755883916, 1074150828, 1133825874, 1700738811, 2267651748, 3401477622, 5102216433, 6802955244, 10204432866, 20408865732]

約数ペア:

[(1, 20408865732), (2, 10204432866), (3, 6802955244), (4, 5102216433), (6, 3401477622), (9, 2267651748), (12, 1700738811), (18, 1133825874), (19, 1074150828), (27, 755883916), (36, 566912937), (38, 537075414), (54, 377941958), (57, 358050276), (76, 268537707), (108, 188970979), (114, 179025138), (171, 119350092), (228, 89512569), (342, 59675046), (513, 39783364), (684, 29837523), (1026, 19891682), (2052, 9945841)]