20571661561

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{349}}^1\times {\mathrm{577}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 23246697600

約数和(自身を除く): 2675036039

約数列:

[1, 11, 37, 251, 349, 407, 577, 2761, 3839, 6347, 9287, 12913, 21349, 87599, 102157, 142043, 144827, 201373, 234839, 963589, 1593097, 2215103, 3241163, 5358599, 7450801, 35652793, 50544623, 58944589, 81958811, 555990853, 1870151051, 20571661561]

約数ペア:

[(1, 20571661561), (11, 1870151051), (37, 555990853), (251, 81958811), (349, 58944589), (407, 50544623), (577, 35652793), (2761, 7450801), (3839, 5358599), (6347, 3241163), (9287, 2215103), (12913, 1593097), (21349, 963589), (87599, 234839), (102157, 201373), (142043, 144827)]