20129404477

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{8429}}^1$

素因数の和:8642

約数の個数: 48

約数和(自身を含む): 26478023040

約数和(自身を除く): 6348618563

約数列:

[1, 7, 13, 23, 49, 91, 161, 163, 299, 637, 1127, 1141, 2093, 2119, 3749, 7987, 8429, 14651, 14833, 26243, 48737, 59003, 103831, 109577, 183701, 193867, 341159, 413021, 767039, 1357069, 1373927, 2388113, 2520271, 5369273, 9499483, 9617489, 17641897, 17861051, 31600321, 67322423, 123493279, 125027357, 221202247, 410804173, 875191499, 1548415729, 2875629211, 20129404477]

約数ペア:

[(1, 20129404477), (7, 2875629211), (13, 1548415729), (23, 875191499), (49, 410804173), (91, 221202247), (161, 125027357), (163, 123493279), (299, 67322423), (637, 31600321), (1127, 17861051), (1141, 17641897), (2093, 9617489), (2119, 9499483), (3749, 5369273), (7987, 2520271), (8429, 2388113), (14651, 1373927), (14833, 1357069), (26243, 767039), (48737, 413021), (59003, 341159), (103831, 193867), (109577, 183701)]