20850858

素因数分解:

$2^1\times 3^8\times 7^1\times {\mathrm{227}}^1$

素因数の和:260

約数の個数: 72

約数和(自身を含む): 53849952

約数和(自身を除く): 32999094

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 227, 243, 378, 454, 486, 567, 681, 729, 1134, 1362, 1458, 1589, 1701, 2043, 2187, 3178, 3402, 4086, 4374, 4767, 5103, 6129, 6561, 9534, 10206, 12258, 13122, 14301, 15309, 18387, 28602, 30618, 36774, 42903, 45927, 55161, 85806, 91854, 110322, 128709, 165483, 257418, 330966, 386127, 496449, 772254, 992898, 1158381, 1489347, 2316762, 2978694, 3475143, 6950286, 10425429, 20850858]

約数ペア:

[(1, 20850858), (2, 10425429), (3, 6950286), (6, 3475143), (7, 2978694), (9, 2316762), (14, 1489347), (18, 1158381), (21, 992898), (27, 772254), (42, 496449), (54, 386127), (63, 330966), (81, 257418), (126, 165483), (162, 128709), (189, 110322), (227, 91854), (243, 85806), (378, 55161), (454, 45927), (486, 42903), (567, 36774), (681, 30618), (729, 28602), (1134, 18387), (1362, 15309), (1458, 14301), (1589, 13122), (1701, 12258), (2043, 10206), (2187, 9534), (3178, 6561), (3402, 6129), (4086, 5103), (4374, 4767)]