20553588

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 120

約数和(自身を含む): 60170880

約数和(自身を除く): 39617292

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 73, 79, 81, 99, 108, 132, 146, 158, 162, 198, 219, 237, 292, 297, 316, 324, 396, 438, 474, 594, 657, 711, 803, 869, 876, 891, 948, 1188, 1314, 1422, 1606, 1738, 1782, 1971, 2133, 2409, 2607, 2628, 2844, 3212, 3476, 3564, 3942, 4266, 4818, 5214, 5767, 5913, 6399, 7227, 7821, 7884, 8532, 9636, 10428, 11534, 11826, 12798, 14454, 15642, 17301, 21681, 23068, 23463, 23652, 25596, 28908, 31284, 34602, 43362, 46926, 51903, 63437, 65043, 69204, 70389, 86724, 93852, 103806, 126874, 130086, 140778, 155709, 190311, 207612, 253748, 260172, 281556, 311418, 380622, 467127, 570933, 622836, 761244, 934254, 1141866, 1712799, 1868508, 2283732, 3425598, 5138397, 6851196, 10276794, 20553588]

約数ペア:

[(1, 20553588), (2, 10276794), (3, 6851196), (4, 5138397), (6, 3425598), (9, 2283732), (11, 1868508), (12, 1712799), (18, 1141866), (22, 934254), (27, 761244), (33, 622836), (36, 570933), (44, 467127), (54, 380622), (66, 311418), (73, 281556), (79, 260172), (81, 253748), (99, 207612), (108, 190311), (132, 155709), (146, 140778), (158, 130086), (162, 126874), (198, 103806), (219, 93852), (237, 86724), (292, 70389), (297, 69204), (316, 65043), (324, 63437), (396, 51903), (438, 46926), (474, 43362), (594, 34602), (657, 31284), (711, 28908), (803, 25596), (869, 23652), (876, 23463), (891, 23068), (948, 21681), (1188, 17301), (1314, 15642), (1422, 14454), (1606, 12798), (1738, 11826), (1782, 11534), (1971, 10428), (2133, 9636), (2409, 8532), (2607, 7884), (2628, 7821), (2844, 7227), (3212, 6399), (3476, 5913), (3564, 5767), (3942, 5214), (4266, 4818)]