20453200

素因数分解:

$2^4\times 5^2\times {\mathrm{51133}}^1$

素因数の和:51151

約数の個数: 30

約数和(自身を含む): 49139774

約数和(自身を除く): 28686574

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 51133, 102266, 204532, 255665, 409064, 511330, 818128, 1022660, 1278325, 2045320, 2556650, 4090640, 5113300, 10226600, 20453200]

約数ペア:

[(1, 20453200), (2, 10226600), (4, 5113300), (5, 4090640), (8, 2556650), (10, 2045320), (16, 1278325), (20, 1022660), (25, 818128), (40, 511330), (50, 409064), (80, 255665), (100, 204532), (200, 102266), (400, 51133)]