20163586720

素因数分解:

$2^5\times 5^1\times {\mathrm{4397}}^1\times {\mathrm{28661}}^1$

素因数の和:33073

約数の個数: 48

約数和(自身を含む): 47648969928

約数和(自身を除く): 27485383208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 4397, 8794, 17588, 21985, 28661, 35176, 43970, 57322, 70352, 87940, 114644, 140704, 143305, 175880, 229288, 286610, 351760, 458576, 573220, 703520, 917152, 1146440, 2292880, 4585760, 126022417, 252044834, 504089668, 630112085, 1008179336, 1260224170, 2016358672, 2520448340, 4032717344, 5040896680, 10081793360, 20163586720]

約数ペア:

[(1, 20163586720), (2, 10081793360), (4, 5040896680), (5, 4032717344), (8, 2520448340), (10, 2016358672), (16, 1260224170), (20, 1008179336), (32, 630112085), (40, 504089668), (80, 252044834), (160, 126022417), (4397, 4585760), (8794, 2292880), (17588, 1146440), (21985, 917152), (28661, 703520), (35176, 573220), (43970, 458576), (57322, 351760), (70352, 286610), (87940, 229288), (114644, 175880), (140704, 143305)]