20162720

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5479}}^1$

素因数の和:5517

約数の個数: 48

約数和(自身を含む): 49714560

約数和(自身を除く): 29551840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5479, 10958, 21916, 27395, 43832, 54790, 87664, 109580, 126017, 175328, 219160, 252034, 438320, 504068, 630085, 876640, 1008136, 1260170, 2016272, 2520340, 4032544, 5040680, 10081360, 20162720]

約数ペア:

[(1, 20162720), (2, 10081360), (4, 5040680), (5, 4032544), (8, 2520340), (10, 2016272), (16, 1260170), (20, 1008136), (23, 876640), (32, 630085), (40, 504068), (46, 438320), (80, 252034), (92, 219160), (115, 175328), (160, 126017), (184, 109580), (230, 87664), (368, 54790), (460, 43832), (736, 27395), (920, 21916), (1840, 10958), (3680, 5479)]