20161638032

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{431099}}^1$

素因数の和:431223

約数の個数: 40

約数和(自身を含む): 40626864000

約数和(自身を除く): 20465225968

約数列:

[1, 2, 4, 8, 16, 37, 74, 79, 148, 158, 296, 316, 592, 632, 1264, 2923, 5846, 11692, 23384, 46768, 431099, 862198, 1724396, 3448792, 6897584, 15950663, 31901326, 34056821, 63802652, 68113642, 127605304, 136227284, 255210608, 272454568, 544909136, 1260102377, 2520204754, 5040409508, 10080819016, 20161638032]

約数ペア:

[(1, 20161638032), (2, 10080819016), (4, 5040409508), (8, 2520204754), (16, 1260102377), (37, 544909136), (74, 272454568), (79, 255210608), (148, 136227284), (158, 127605304), (296, 68113642), (316, 63802652), (592, 34056821), (632, 31901326), (1264, 15950663), (2923, 6897584), (5846, 3448792), (11692, 1724396), (23384, 862198), (46768, 431099)]