20784852

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{719}}^1$

素因数の和:813

約数の個数: 72

約数和(自身を含む): 58181760

約数和(自身を除く): 37396908

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 73, 99, 132, 146, 198, 219, 292, 396, 438, 657, 719, 803, 876, 1314, 1438, 1606, 2157, 2409, 2628, 2876, 3212, 4314, 4818, 6471, 7227, 7909, 8628, 9636, 12942, 14454, 15818, 23727, 25884, 28908, 31636, 47454, 52487, 71181, 94908, 104974, 142362, 157461, 209948, 284724, 314922, 472383, 577357, 629844, 944766, 1154714, 1732071, 1889532, 2309428, 3464142, 5196213, 6928284, 10392426, 20784852]

約数ペア:

[(1, 20784852), (2, 10392426), (3, 6928284), (4, 5196213), (6, 3464142), (9, 2309428), (11, 1889532), (12, 1732071), (18, 1154714), (22, 944766), (33, 629844), (36, 577357), (44, 472383), (66, 314922), (73, 284724), (99, 209948), (132, 157461), (146, 142362), (198, 104974), (219, 94908), (292, 71181), (396, 52487), (438, 47454), (657, 31636), (719, 28908), (803, 25884), (876, 23727), (1314, 15818), (1438, 14454), (1606, 12942), (2157, 9636), (2409, 8628), (2628, 7909), (2876, 7227), (3212, 6471), (4314, 4818)]