20175384009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2521}}^1\times {\mathrm{7823}}^1$

素因数の和:10389

約数の個数: 32

約数和(自身を含む): 30308548608

約数和(自身を除く): 10133164599

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 2521, 7563, 7823, 23469, 27731, 78151, 83193, 86053, 234453, 242513, 258159, 727539, 859661, 2578983, 2667643, 8002929, 19721783, 59165349, 216939613, 611375273, 650818839, 1834125819, 6725128003, 20175384009]

約数ペア:

[(1, 20175384009), (3, 6725128003), (11, 1834125819), (31, 650818839), (33, 611375273), (93, 216939613), (341, 59165349), (1023, 19721783), (2521, 8002929), (7563, 2667643), (7823, 2578983), (23469, 859661), (27731, 727539), (78151, 258159), (83193, 242513), (86053, 234453)]