20299513465

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1$

素因数の和:508

約数の個数: 128

約数和(自身を含む): 32396083200

約数和(自身を除く): 12096569735

約数列:

[1, 5, 7, 11, 31, 35, 49, 55, 77, 103, 155, 217, 245, 337, 341, 343, 385, 515, 539, 721, 1085, 1133, 1519, 1685, 1705, 1715, 2359, 2387, 2695, 3193, 3605, 3707, 3773, 5047, 5665, 7595, 7931, 10447, 10633, 11795, 11935, 15965, 16513, 16709, 18535, 18865, 22351, 25235, 25949, 34711, 35123, 35329, 39655, 52235, 53165, 55517, 73129, 82565, 83545, 111755, 114917, 115591, 116963, 129745, 156457, 173555, 175615, 176645, 181643, 242977, 245861, 277585, 365645, 381821, 388619, 511903, 574585, 577955, 584815, 782285, 804419, 908215, 1076041, 1095199, 1214885, 1229305, 1271501, 1700839, 1721027, 1909105, 1943095, 2559515, 2672747, 3583321, 4022095, 5380205, 5475995, 5630933, 6357505, 7532287, 8504195, 8605135, 11836451, 11905873, 12047189, 13363735, 17916605, 18709229, 28154665, 37661435, 39416531, 52726009, 59182255, 59529365, 60235945, 82855157, 93546145, 130964603, 197082655, 263630045, 369082063, 414275785, 579986099, 654823015, 1845410315, 2899930495, 4059902693, 20299513465]

約数ペア:

[(1, 20299513465), (5, 4059902693), (7, 2899930495), (11, 1845410315), (31, 654823015), (35, 579986099), (49, 414275785), (55, 369082063), (77, 263630045), (103, 197082655), (155, 130964603), (217, 93546145), (245, 82855157), (337, 60235945), (341, 59529365), (343, 59182255), (385, 52726009), (515, 39416531), (539, 37661435), (721, 28154665), (1085, 18709229), (1133, 17916605), (1519, 13363735), (1685, 12047189), (1705, 11905873), (1715, 11836451), (2359, 8605135), (2387, 8504195), (2695, 7532287), (3193, 6357505), (3605, 5630933), (3707, 5475995), (3773, 5380205), (5047, 4022095), (5665, 3583321), (7595, 2672747), (7931, 2559515), (10447, 1943095), (10633, 1909105), (11795, 1721027), (11935, 1700839), (15965, 1271501), (16513, 1229305), (16709, 1214885), (18535, 1095199), (18865, 1076041), (22351, 908215), (25235, 804419), (25949, 782285), (34711, 584815), (35123, 577955), (35329, 574585), (39655, 511903), (52235, 388619), (53165, 381821), (55517, 365645), (73129, 277585), (82565, 245861), (83545, 242977), (111755, 181643), (114917, 176645), (115591, 175615), (116963, 173555), (129745, 156457)]