20905922

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1\times {\mathrm{457}}^1$

素因数の和:805

約数の個数: 16

約数和(自身を含む): 31904280

約数和(自身を除く): 10998358

約数列:

[1, 2, 89, 178, 257, 457, 514, 914, 22873, 40673, 45746, 81346, 117449, 234898, 10452961, 20905922]

約数ペア:

[(1, 20905922), (2, 10452961), (89, 234898), (178, 117449), (257, 81346), (457, 45746), (514, 40673), (914, 22873)]