20372772042

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{211}}^1\times {\mathrm{109471}}^1$

素因数の和:109704

約数の個数: 72

約数和(自身を含む): 51591526272

約数和(自身を除く): 31218754230

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 211, 294, 422, 441, 633, 882, 1266, 1477, 1899, 2954, 3798, 4431, 8862, 10339, 13293, 20678, 26586, 31017, 62034, 93051, 109471, 186102, 218942, 328413, 656826, 766297, 985239, 1532594, 1970478, 2298891, 4597782, 5364079, 6896673, 10728158, 13793346, 16092237, 23098381, 32184474, 46196762, 48276711, 69295143, 96553422, 138590286, 161688667, 207885429, 323377334, 415770858, 485066001, 970132002, 1131820669, 1455198003, 2263641338, 2910396006, 3395462007, 6790924014, 10186386021, 20372772042]

約数ペア:

[(1, 20372772042), (2, 10186386021), (3, 6790924014), (6, 3395462007), (7, 2910396006), (9, 2263641338), (14, 1455198003), (18, 1131820669), (21, 970132002), (42, 485066001), (49, 415770858), (63, 323377334), (98, 207885429), (126, 161688667), (147, 138590286), (211, 96553422), (294, 69295143), (422, 48276711), (441, 46196762), (633, 32184474), (882, 23098381), (1266, 16092237), (1477, 13793346), (1899, 10728158), (2954, 6896673), (3798, 5364079), (4431, 4597782), (8862, 2298891), (10339, 1970478), (13293, 1532594), (20678, 985239), (26586, 766297), (31017, 656826), (62034, 328413), (93051, 218942), (109471, 186102)]