20821216

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{50051}}^1$

素因数の和:50074

約数の個数: 24

約数和(自身を含む): 44145864

約数和(自身を除く): 23324648

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 50051, 100102, 200204, 400408, 650663, 800816, 1301326, 1601632, 2602652, 5205304, 10410608, 20821216]

約数ペア:

[(1, 20821216), (2, 10410608), (4, 5205304), (8, 2602652), (13, 1601632), (16, 1301326), (26, 800816), (32, 650663), (52, 400408), (104, 200204), (208, 100102), (416, 50051)]