20783656725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1\times {\mathrm{593}}^1$

素因数の和:1071

約数の個数: 96

約数和(自身を含む): 37535097600

約数和(自身を除く): 16751440875

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 103, 195, 309, 325, 349, 515, 593, 975, 1047, 1339, 1545, 1745, 1779, 2575, 2965, 4017, 4537, 5235, 6695, 7709, 7725, 8725, 8895, 13611, 14825, 20085, 22685, 23127, 26175, 33475, 35947, 38545, 44475, 61079, 68055, 100425, 107841, 113425, 115635, 179735, 183237, 192725, 206957, 305395, 340275, 467311, 539205, 578175, 620871, 794027, 898675, 916185, 1034785, 1401933, 1526975, 2336555, 2382081, 2690441, 2696025, 3104355, 3970135, 4580925, 5173925, 7009665, 8071323, 11682775, 11910405, 13452205, 15521775, 19850675, 21316571, 35048325, 40356615, 59552025, 63949713, 67261025, 106582855, 201783075, 277115423, 319748565, 532914275, 831346269, 1385577115, 1598742825, 4156731345, 6927885575, 20783656725]

約数ペア:

[(1, 20783656725), (3, 6927885575), (5, 4156731345), (13, 1598742825), (15, 1385577115), (25, 831346269), (39, 532914275), (65, 319748565), (75, 277115423), (103, 201783075), (195, 106582855), (309, 67261025), (325, 63949713), (349, 59552025), (515, 40356615), (593, 35048325), (975, 21316571), (1047, 19850675), (1339, 15521775), (1545, 13452205), (1745, 11910405), (1779, 11682775), (2575, 8071323), (2965, 7009665), (4017, 5173925), (4537, 4580925), (5235, 3970135), (6695, 3104355), (7709, 2696025), (7725, 2690441), (8725, 2382081), (8895, 2336555), (13611, 1526975), (14825, 1401933), (20085, 1034785), (22685, 916185), (23127, 898675), (26175, 794027), (33475, 620871), (35947, 578175), (38545, 539205), (44475, 467311), (61079, 340275), (68055, 305395), (100425, 206957), (107841, 192725), (113425, 183237), (115635, 179735)]