20512007159

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{7898347}}^1$

素因数の和:7898414

約数の個数: 12

約数和(自身を含む): 24311115144

約数和(自身を除く): 3799107985

約数列:

[1, 7, 49, 53, 371, 2597, 7898347, 55288429, 387019003, 418612391, 2930286737, 20512007159]

約数ペア:

[(1, 20512007159), (7, 2930286737), (49, 418612391), (53, 387019003), (371, 55288429), (2597, 7898347)]