20219898244

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{145037}}^1$

素因数の和:145444

約数の個数: 48

約数和(自身を含む): 43664560128

約数和(自身を除く): 23444661884

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 383, 766, 1532, 2681, 4979, 5362, 9958, 10724, 19916, 34853, 69706, 139412, 145037, 290074, 580148, 1015259, 1885481, 2030518, 3770962, 4061036, 7541924, 13198367, 26396734, 52793468, 55549171, 111098342, 222196684, 388844197, 722139223, 777688394, 1444278446, 1555376788, 2888556892, 5054974561, 10109949122, 20219898244]

約数ペア:

[(1, 20219898244), (2, 10109949122), (4, 5054974561), (7, 2888556892), (13, 1555376788), (14, 1444278446), (26, 777688394), (28, 722139223), (52, 388844197), (91, 222196684), (182, 111098342), (364, 55549171), (383, 52793468), (766, 26396734), (1532, 13198367), (2681, 7541924), (4979, 4061036), (5362, 3770962), (9958, 2030518), (10724, 1885481), (19916, 1015259), (34853, 580148), (69706, 290074), (139412, 145037)]