20885590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1049}}^1$

素因数の和:1248

約数の個数: 32

約数和(自身を含む): 41277600

約数和(自身を除く): 20392010

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181, 362, 905, 1049, 1810, 1991, 2098, 3982, 5245, 9955, 10490, 11539, 19910, 23078, 57695, 115390, 189869, 379738, 949345, 1898690, 2088559, 4177118, 10442795, 20885590]

約数ペア:

[(1, 20885590), (2, 10442795), (5, 4177118), (10, 2088559), (11, 1898690), (22, 949345), (55, 379738), (110, 189869), (181, 115390), (362, 57695), (905, 23078), (1049, 19910), (1810, 11539), (1991, 10490), (2098, 9955), (3982, 5245)]