20199803897

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{757}}^1\times {\mathrm{3023}}^1$

素因数の和:3897

約数の個数: 32

約数和(自身を含む): 25159099392

約数和(自身を除く): 4959295495

約数列:

[1, 7, 13, 91, 97, 679, 757, 1261, 3023, 5299, 8827, 9841, 21161, 39299, 68887, 73429, 275093, 293231, 514003, 954577, 2052617, 2288411, 3812003, 6682039, 16018877, 26684021, 29749343, 208245401, 221975867, 1553831069, 2885686271, 20199803897]

約数ペア:

[(1, 20199803897), (7, 2885686271), (13, 1553831069), (91, 221975867), (97, 208245401), (679, 29749343), (757, 26684021), (1261, 16018877), (3023, 6682039), (5299, 3812003), (8827, 2288411), (9841, 2052617), (21161, 954577), (39299, 514003), (68887, 293231), (73429, 275093)]