20855076

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 54698112

約数和(自身を除く): 33843036

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 53, 66, 106, 121, 132, 159, 212, 242, 271, 318, 363, 484, 542, 583, 636, 726, 813, 1084, 1166, 1452, 1626, 1749, 2332, 2981, 3252, 3498, 5962, 6413, 6996, 8943, 11924, 12826, 14363, 17886, 19239, 25652, 28726, 32791, 35772, 38478, 43089, 57452, 65582, 76956, 86178, 98373, 131164, 157993, 172356, 196746, 315986, 393492, 473979, 631972, 947958, 1737923, 1895916, 3475846, 5213769, 6951692, 10427538, 20855076]

約数ペア:

[(1, 20855076), (2, 10427538), (3, 6951692), (4, 5213769), (6, 3475846), (11, 1895916), (12, 1737923), (22, 947958), (33, 631972), (44, 473979), (53, 393492), (66, 315986), (106, 196746), (121, 172356), (132, 157993), (159, 131164), (212, 98373), (242, 86178), (271, 76956), (318, 65582), (363, 57452), (484, 43089), (542, 38478), (583, 35772), (636, 32791), (726, 28726), (813, 25652), (1084, 19239), (1166, 17886), (1452, 14363), (1626, 12826), (1749, 11924), (2332, 8943), (2981, 6996), (3252, 6413), (3498, 5962)]