20610645

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5431}}^1$

素因数の和:5473

約数の個数: 32

約数和(自身を含む): 37545984

約数和(自身を除く): 16935339

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 5431, 16293, 27155, 59741, 81465, 124913, 179223, 298705, 374739, 624565, 896115, 1374043, 1873695, 4122129, 6870215, 20610645]

約数ペア:

[(1, 20610645), (3, 6870215), (5, 4122129), (11, 1873695), (15, 1374043), (23, 896115), (33, 624565), (55, 374739), (69, 298705), (115, 179223), (165, 124913), (253, 81465), (345, 59741), (759, 27155), (1265, 16293), (3795, 5431)]