20024720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10883}}^1$

素因数の和:10919

約数の個数: 40

約数和(自身を含む): 48586176

約数和(自身を除く): 28561456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10883, 21766, 43532, 54415, 87064, 108830, 174128, 217660, 250309, 435320, 500618, 870640, 1001236, 1251545, 2002472, 2503090, 4004944, 5006180, 10012360, 20024720]

約数ペア:

[(1, 20024720), (2, 10012360), (4, 5006180), (5, 4004944), (8, 2503090), (10, 2002472), (16, 1251545), (20, 1001236), (23, 870640), (40, 500618), (46, 435320), (80, 250309), (92, 217660), (115, 174128), (184, 108830), (230, 87064), (368, 54415), (460, 43532), (920, 21766), (1840, 10883)]