20540345

素因数分解:

$5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4621}}^1$

素因数の和:4760

約数の個数: 16

約数和(自身を含む): 28397568

約数和(自身を除く): 7857223

約数列:

[1, 5, 7, 35, 127, 635, 889, 4445, 4621, 23105, 32347, 161735, 586867, 2934335, 4108069, 20540345]

約数ペア:

[(1, 20540345), (5, 4108069), (7, 2934335), (35, 586867), (127, 161735), (635, 32347), (889, 23105), (4445, 4621)]