20120693655

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1129}}^1\times {\mathrm{1487}}^1$

素因数の和:2688

約数の個数: 64

約数和(自身を含む): 34866339840

約数和(自身を除く): 14745646185

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 1129, 1487, 2397, 3387, 3995, 4461, 5645, 7435, 11985, 16935, 19193, 22305, 25279, 53063, 57579, 69889, 75837, 95965, 126395, 159189, 209667, 265315, 287895, 349445, 379185, 795945, 902071, 1048335, 1188113, 1678823, 2706213, 3564339, 4510355, 5036469, 5940565, 8394115, 13531065, 17821695, 25182345, 28539991, 78904681, 85619973, 142699955, 236714043, 394523405, 428099865, 1183570215, 1341379577, 4024138731, 6706897885, 20120693655]

約数ペア:

[(1, 20120693655), (3, 6706897885), (5, 4024138731), (15, 1341379577), (17, 1183570215), (47, 428099865), (51, 394523405), (85, 236714043), (141, 142699955), (235, 85619973), (255, 78904681), (705, 28539991), (799, 25182345), (1129, 17821695), (1487, 13531065), (2397, 8394115), (3387, 5940565), (3995, 5036469), (4461, 4510355), (5645, 3564339), (7435, 2706213), (11985, 1678823), (16935, 1188113), (19193, 1048335), (22305, 902071), (25279, 795945), (53063, 379185), (57579, 349445), (69889, 287895), (75837, 265315), (95965, 209667), (126395, 159189)]