20919856

素因数分解:

$2^4\times {\mathrm{751}}^1\times {\mathrm{1741}}^1$

素因数の和:2500

約数の個数: 20

約数和(自身を含む): 40609504

約数和(自身を除く): 19689648

約数列:

[1, 2, 4, 8, 16, 751, 1502, 1741, 3004, 3482, 6008, 6964, 12016, 13928, 27856, 1307491, 2614982, 5229964, 10459928, 20919856]

約数ペア:

[(1, 20919856), (2, 10459928), (4, 5229964), (8, 2614982), (16, 1307491), (751, 27856), (1502, 13928), (1741, 12016), (3004, 6964), (3482, 6008)]