20152072

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2087}}^1$

素因数の和:2181

約数の個数: 32

約数和(自身を含む): 40590720

約数和(自身を除く): 20438648

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 284, 568, 1207, 2087, 2414, 4174, 4828, 8348, 9656, 16696, 35479, 70958, 141916, 148177, 283832, 296354, 592708, 1185416, 2519009, 5038018, 10076036, 20152072]

約数ペア:

[(1, 20152072), (2, 10076036), (4, 5038018), (8, 2519009), (17, 1185416), (34, 592708), (68, 296354), (71, 283832), (136, 148177), (142, 141916), (284, 70958), (568, 35479), (1207, 16696), (2087, 9656), (2414, 8348), (4174, 4828)]