20883366

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{547}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 53660160

約数和(自身を除く): 32776794

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 101, 126, 189, 202, 303, 378, 547, 606, 707, 909, 1094, 1414, 1641, 1818, 2121, 2727, 3282, 3829, 4242, 4923, 5454, 6363, 7658, 9846, 11487, 12726, 14769, 19089, 22974, 29538, 34461, 38178, 55247, 68922, 103383, 110494, 165741, 206766, 331482, 386729, 497223, 773458, 994446, 1160187, 1491669, 2320374, 2983338, 3480561, 6961122, 10441683, 20883366]

約数ペア:

[(1, 20883366), (2, 10441683), (3, 6961122), (6, 3480561), (7, 2983338), (9, 2320374), (14, 1491669), (18, 1160187), (21, 994446), (27, 773458), (42, 497223), (54, 386729), (63, 331482), (101, 206766), (126, 165741), (189, 110494), (202, 103383), (303, 68922), (378, 55247), (547, 38178), (606, 34461), (707, 29538), (909, 22974), (1094, 19089), (1414, 14769), (1641, 12726), (1818, 11487), (2121, 9846), (2727, 7658), (3282, 6363), (3829, 5454), (4242, 4923)]