20822776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{577}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 42240240

約数和(自身を除く): 21417464

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 347, 577, 694, 1154, 1388, 2308, 2776, 4511, 4616, 7501, 9022, 15002, 18044, 30004, 36088, 60008, 200219, 400438, 800876, 1601752, 2602847, 5205694, 10411388, 20822776]

約数ペア:

[(1, 20822776), (2, 10411388), (4, 5205694), (8, 2602847), (13, 1601752), (26, 800876), (52, 400438), (104, 200219), (347, 60008), (577, 36088), (694, 30004), (1154, 18044), (1388, 15002), (2308, 9022), (2776, 7501), (4511, 4616)]