20116568

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61331}}^1$

素因数の和:61378

約数の個数: 16

約数和(自身を含む): 38639160

約数和(自身を除く): 18522592

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 61331, 122662, 245324, 490648, 2514571, 5029142, 10058284, 20116568]

約数ペア:

[(1, 20116568), (2, 10058284), (4, 5029142), (8, 2514571), (41, 490648), (82, 245324), (164, 122662), (328, 61331)]