20160987056

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1651457}}^1$

素因数の和:1651581

約数の個数: 40

約数和(自身を含む): 45051774240

約数和(自身を除く): 24890787184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1526, 1744, 3052, 6104, 12208, 1651457, 3302914, 6605828, 11560199, 13211656, 23120398, 26423312, 46240796, 92481592, 180008813, 184963184, 360017626, 720035252, 1260061691, 1440070504, 2520123382, 2880141008, 5040246764, 10080493528, 20160987056]

約数ペア:

[(1, 20160987056), (2, 10080493528), (4, 5040246764), (7, 2880141008), (8, 2520123382), (14, 1440070504), (16, 1260061691), (28, 720035252), (56, 360017626), (109, 184963184), (112, 180008813), (218, 92481592), (436, 46240796), (763, 26423312), (872, 23120398), (1526, 13211656), (1744, 11560199), (3052, 6605828), (6104, 3302914), (12208, 1651457)]