20512497885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3191}}^1\times {\mathrm{38959}}^1$

素因数の和:42169

約数の個数: 32

約数和(自身を含む): 35815772160

約数和(自身を除く): 15303274275

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 3191, 9573, 15955, 35101, 38959, 47865, 105303, 116877, 175505, 194795, 428549, 526515, 584385, 1285647, 2142745, 6428235, 124318169, 372954507, 621590845, 1367499859, 1864772535, 4102499577, 6837499295, 20512497885]

約数ペア:

[(1, 20512497885), (3, 6837499295), (5, 4102499577), (11, 1864772535), (15, 1367499859), (33, 621590845), (55, 372954507), (165, 124318169), (3191, 6428235), (9573, 2142745), (15955, 1285647), (35101, 584385), (38959, 526515), (47865, 428549), (105303, 194795), (116877, 175505)]