20615705976

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:769

約数の個数: 128

約数和(自身を含む): 52951449600

約数和(自身を除く): 32335743624

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 223, 227, 239, 284, 426, 446, 454, 478, 568, 669, 681, 717, 852, 892, 908, 956, 1338, 1362, 1434, 1704, 1784, 1816, 1912, 2676, 2724, 2868, 5352, 5448, 5736, 15833, 16117, 16969, 31666, 32234, 33938, 47499, 48351, 50621, 50907, 53297, 54253, 63332, 64468, 67876, 94998, 96702, 101242, 101814, 106594, 108506, 126664, 128936, 135752, 151863, 159891, 162759, 189996, 193404, 202484, 203628, 213188, 217012, 303726, 319782, 325518, 379992, 386808, 404968, 407256, 426376, 434024, 607452, 639564, 651036, 1214904, 1279128, 1302072, 3594091, 3784087, 3851963, 7188182, 7568174, 7703926, 10782273, 11352261, 11555889, 12098419, 14376364, 15136348, 15407852, 21564546, 22704522, 23111778, 24196838, 28752728, 30272696, 30815704, 36295257, 43129092, 45409044, 46223556, 48393676, 72590514, 86258184, 90818088, 92447112, 96787352, 145181028, 290362056, 858987749, 1717975498, 2576963247, 3435950996, 5153926494, 6871901992, 10307852988, 20615705976]

約数ペア:

[(1, 20615705976), (2, 10307852988), (3, 6871901992), (4, 5153926494), (6, 3435950996), (8, 2576963247), (12, 1717975498), (24, 858987749), (71, 290362056), (142, 145181028), (213, 96787352), (223, 92447112), (227, 90818088), (239, 86258184), (284, 72590514), (426, 48393676), (446, 46223556), (454, 45409044), (478, 43129092), (568, 36295257), (669, 30815704), (681, 30272696), (717, 28752728), (852, 24196838), (892, 23111778), (908, 22704522), (956, 21564546), (1338, 15407852), (1362, 15136348), (1434, 14376364), (1704, 12098419), (1784, 11555889), (1816, 11352261), (1912, 10782273), (2676, 7703926), (2724, 7568174), (2868, 7188182), (5352, 3851963), (5448, 3784087), (5736, 3594091), (15833, 1302072), (16117, 1279128), (16969, 1214904), (31666, 651036), (32234, 639564), (33938, 607452), (47499, 434024), (48351, 426376), (50621, 407256), (50907, 404968), (53297, 386808), (54253, 379992), (63332, 325518), (64468, 319782), (67876, 303726), (94998, 217012), (96702, 213188), (101242, 203628), (101814, 202484), (106594, 193404), (108506, 189996), (126664, 162759), (128936, 159891), (135752, 151863)]