20407896

素因数分解:

$2^3\times 3^3\times {\mathrm{107}}^1\times {\mathrm{883}}^1$

素因数の和:1005

約数の個数: 64

約数和(自身を含む): 57283200

約数和(自身を除く): 36875304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 107, 108, 214, 216, 321, 428, 642, 856, 883, 963, 1284, 1766, 1926, 2568, 2649, 2889, 3532, 3852, 5298, 5778, 7064, 7704, 7947, 10596, 11556, 15894, 21192, 23112, 23841, 31788, 47682, 63576, 94481, 95364, 188962, 190728, 283443, 377924, 566886, 755848, 850329, 1133772, 1700658, 2267544, 2550987, 3401316, 5101974, 6802632, 10203948, 20407896]

約数ペア:

[(1, 20407896), (2, 10203948), (3, 6802632), (4, 5101974), (6, 3401316), (8, 2550987), (9, 2267544), (12, 1700658), (18, 1133772), (24, 850329), (27, 755848), (36, 566886), (54, 377924), (72, 283443), (107, 190728), (108, 188962), (214, 95364), (216, 94481), (321, 63576), (428, 47682), (642, 31788), (856, 23841), (883, 23112), (963, 21192), (1284, 15894), (1766, 11556), (1926, 10596), (2568, 7947), (2649, 7704), (2889, 7064), (3532, 5778), (3852, 5298)]