20483764

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2549}}^1$

素因数の和:2608

約数の個数: 36

約数和(自身を含む): 42732900

約数和(自身を除く): 22249136

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 2549, 4018, 5098, 8036, 10196, 17843, 35686, 71372, 104509, 124901, 209018, 249802, 418036, 499604, 731563, 1463126, 2926252, 5120941, 10241882, 20483764]

約数ペア:

[(1, 20483764), (2, 10241882), (4, 5120941), (7, 2926252), (14, 1463126), (28, 731563), (41, 499604), (49, 418036), (82, 249802), (98, 209018), (164, 124901), (196, 104509), (287, 71372), (574, 35686), (1148, 17843), (2009, 10196), (2549, 8036), (4018, 5098)]