20716181954

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1352761}}^1$

素因数の和:1352826

約数の個数: 32

約数和(自身を含む): 36362242560

約数和(自身を除く): 15646060606

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 247, 403, 494, 589, 806, 1178, 7657, 15314, 1352761, 2705522, 17585893, 25702459, 35171786, 41935591, 51404918, 83871182, 334131967, 545162683, 668263934, 796776229, 1090325366, 1593552458, 10358090977, 20716181954]

約数ペア:

[(1, 20716181954), (2, 10358090977), (13, 1593552458), (19, 1090325366), (26, 796776229), (31, 668263934), (38, 545162683), (62, 334131967), (247, 83871182), (403, 51404918), (494, 41935591), (589, 35171786), (806, 25702459), (1178, 17585893), (7657, 2705522), (15314, 1352761)]