20688311595

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1\times {\mathrm{1013}}^1$

素因数の和:1429

約数の個数: 128

約数和(自身を含む): 41351731200

約数和(自身を除く): 20663419605

約数列:

[1, 3, 5, 7, 15, 19, 21, 29, 35, 57, 87, 95, 105, 133, 145, 203, 285, 353, 399, 435, 551, 609, 665, 1013, 1015, 1059, 1653, 1765, 1995, 2471, 2755, 3039, 3045, 3857, 5065, 5295, 6707, 7091, 7413, 8265, 10237, 11571, 12355, 15195, 19247, 19285, 20121, 21273, 29377, 30711, 33535, 35455, 37065, 46949, 51185, 57741, 57855, 71659, 88131, 96235, 100605, 106365, 134729, 140847, 146885, 153555, 194503, 205639, 214977, 234745, 288705, 357589, 358295, 404187, 440655, 558163, 583509, 616917, 673645, 704235, 972515, 1028195, 1072767, 1074885, 1361521, 1674489, 1787945, 2020935, 2503123, 2790815, 2917545, 3084585, 3907141, 4084563, 5363835, 6794191, 6807605, 7509369, 8372445, 10370081, 11721423, 12515615, 19535705, 20382573, 20422815, 31110243, 33970955, 37546845, 47559337, 51850405, 58607115, 72590567, 101912865, 142678011, 155551215, 197031539, 217771701, 237796685, 362952835, 591094617, 713390055, 985157695, 1088858505, 1379220773, 2955473085, 4137662319, 6896103865, 20688311595]

約数ペア:

[(1, 20688311595), (3, 6896103865), (5, 4137662319), (7, 2955473085), (15, 1379220773), (19, 1088858505), (21, 985157695), (29, 713390055), (35, 591094617), (57, 362952835), (87, 237796685), (95, 217771701), (105, 197031539), (133, 155551215), (145, 142678011), (203, 101912865), (285, 72590567), (353, 58607115), (399, 51850405), (435, 47559337), (551, 37546845), (609, 33970955), (665, 31110243), (1013, 20422815), (1015, 20382573), (1059, 19535705), (1653, 12515615), (1765, 11721423), (1995, 10370081), (2471, 8372445), (2755, 7509369), (3039, 6807605), (3045, 6794191), (3857, 5363835), (5065, 4084563), (5295, 3907141), (6707, 3084585), (7091, 2917545), (7413, 2790815), (8265, 2503123), (10237, 2020935), (11571, 1787945), (12355, 1674489), (15195, 1361521), (19247, 1074885), (19285, 1072767), (20121, 1028195), (21273, 972515), (29377, 704235), (30711, 673645), (33535, 616917), (35455, 583509), (37065, 558163), (46949, 440655), (51185, 404187), (57741, 358295), (57855, 357589), (71659, 288705), (88131, 234745), (96235, 214977), (100605, 205639), (106365, 194503), (134729, 153555), (140847, 146885)]