20090138705

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2597303}}^1$

素因数の和:2597345

約数の個数: 32

約数和(自身を含む): 31416989184

約数和(自身を除く): 11326850479

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 7735, 2597303, 12986515, 18181121, 33764939, 44154151, 90905605, 168824695, 220770755, 236354573, 309079057, 574003963, 1181772865, 1545395285, 2870019815, 4018027741, 20090138705]

約数ペア:

[(1, 20090138705), (5, 4018027741), (7, 2870019815), (13, 1545395285), (17, 1181772865), (35, 574003963), (65, 309079057), (85, 236354573), (91, 220770755), (119, 168824695), (221, 90905605), (455, 44154151), (595, 33764939), (1105, 18181121), (1547, 12986515), (7735, 2597303)]