20089223

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 26956800

約数和(自身を除く): 6867577

約数列:

[1, 7, 11, 17, 77, 103, 119, 149, 187, 721, 1043, 1133, 1309, 1639, 1751, 2533, 7931, 11473, 12257, 15347, 17731, 19261, 27863, 107429, 134827, 168817, 195041, 260899, 1181719, 1826293, 2869889, 20089223]

約数ペア:

[(1, 20089223), (7, 2869889), (11, 1826293), (17, 1181719), (77, 260899), (103, 195041), (119, 168817), (149, 134827), (187, 107429), (721, 27863), (1043, 19261), (1133, 17731), (1309, 15347), (1639, 12257), (1751, 11473), (2533, 7931)]