20830733

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{5521}}^1$

素因数の和:5553

約数の個数: 16

約数和(自身を含む): 26505600

約数和(自身を除く): 5674867

約数列:

[1, 7, 11, 49, 77, 343, 539, 3773, 5521, 38647, 60731, 270529, 425117, 1893703, 2975819, 20830733]

約数ペア:

[(1, 20830733), (7, 2975819), (11, 1893703), (49, 425117), (77, 270529), (343, 60731), (539, 38647), (3773, 5521)]