20776338

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 80

約数和(自身を含む): 51749280

約数和(自身を除く): 30972942

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 89, 99, 131, 162, 178, 198, 262, 267, 297, 393, 534, 594, 786, 801, 891, 979, 1179, 1441, 1602, 1782, 1958, 2358, 2403, 2882, 2937, 3537, 4323, 4806, 5874, 7074, 7209, 8646, 8811, 10611, 11659, 12969, 14418, 17622, 21222, 23318, 25938, 26433, 34977, 38907, 52866, 69954, 77814, 79299, 104931, 116721, 128249, 158598, 209862, 233442, 256498, 314793, 384747, 629586, 769494, 944379, 1154241, 1888758, 2308482, 3462723, 6925446, 10388169, 20776338]

約数ペア:

[(1, 20776338), (2, 10388169), (3, 6925446), (6, 3462723), (9, 2308482), (11, 1888758), (18, 1154241), (22, 944379), (27, 769494), (33, 629586), (54, 384747), (66, 314793), (81, 256498), (89, 233442), (99, 209862), (131, 158598), (162, 128249), (178, 116721), (198, 104931), (262, 79299), (267, 77814), (297, 69954), (393, 52866), (534, 38907), (594, 34977), (786, 26433), (801, 25938), (891, 23318), (979, 21222), (1179, 17622), (1441, 14418), (1602, 12969), (1782, 11659), (1958, 10611), (2358, 8811), (2403, 8646), (2882, 7209), (2937, 7074), (3537, 5874), (4323, 4806)]