20195851816

素因数分解:

$2^3\times 7^1\times {\mathrm{16553}}^1\times {\mathrm{21787}}^1$

素因数の和:38353

約数の個数: 32

約数和(自身を含む): 43281426240

約数和(自身を除く): 23085574424

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 16553, 21787, 33106, 43574, 66212, 87148, 115871, 132424, 152509, 174296, 231742, 305018, 463484, 610036, 926968, 1220072, 360640211, 721280422, 1442560844, 2524481477, 2885121688, 5048962954, 10097925908, 20195851816]

約数ペア:

[(1, 20195851816), (2, 10097925908), (4, 5048962954), (7, 2885121688), (8, 2524481477), (14, 1442560844), (28, 721280422), (56, 360640211), (16553, 1220072), (21787, 926968), (33106, 610036), (43574, 463484), (66212, 305018), (87148, 231742), (115871, 174296), (132424, 152509)]