20297803778

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4523}}^1\times {\mathrm{16871}}^1$

素因数の和:21422

約数の個数: 32

約数和(自身を含む): 36637885440

約数和(自身を除く): 16340081662

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 4523, 9046, 16871, 31661, 33742, 63322, 85937, 118097, 171874, 236194, 320549, 601559, 641098, 1203118, 2243843, 4487686, 76307533, 152615066, 534152731, 1068305462, 1449843127, 2899686254, 10148901889, 20297803778]

約数ペア:

[(1, 20297803778), (2, 10148901889), (7, 2899686254), (14, 1449843127), (19, 1068305462), (38, 534152731), (133, 152615066), (266, 76307533), (4523, 4487686), (9046, 2243843), (16871, 1203118), (31661, 641098), (33742, 601559), (63322, 320549), (85937, 236194), (118097, 171874)]