20486560912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{349171}}^1$

素因数の和:349391

約数の個数: 40

約数和(自身を含む): 41998408160

約数和(自身を除く): 21511847248

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 193, 304, 386, 772, 1544, 3088, 3667, 7334, 14668, 29336, 58672, 349171, 698342, 1396684, 2793368, 5586736, 6634249, 13268498, 26536996, 53073992, 67390003, 106147984, 134780006, 269560012, 539120024, 1078240048, 1280410057, 2560820114, 5121640228, 10243280456, 20486560912]

約数ペア:

[(1, 20486560912), (2, 10243280456), (4, 5121640228), (8, 2560820114), (16, 1280410057), (19, 1078240048), (38, 539120024), (76, 269560012), (152, 134780006), (193, 106147984), (304, 67390003), (386, 53073992), (772, 26536996), (1544, 13268498), (3088, 6634249), (3667, 5586736), (7334, 2793368), (14668, 1396684), (29336, 698342), (58672, 349171)]