20398080

素因数分解:

$2^{14}\times 3^1\times 5^1\times {\mathrm{83}}^1$

素因数の和:119

約数の個数: 120

約数和(自身を含む): 66058272

約数和(自身を除く): 45660192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 83, 96, 120, 128, 160, 166, 192, 240, 249, 256, 320, 332, 384, 415, 480, 498, 512, 640, 664, 768, 830, 960, 996, 1024, 1245, 1280, 1328, 1536, 1660, 1920, 1992, 2048, 2490, 2560, 2656, 3072, 3320, 3840, 3984, 4096, 4980, 5120, 5312, 6144, 6640, 7680, 7968, 8192, 9960, 10240, 10624, 12288, 13280, 15360, 15936, 16384, 19920, 20480, 21248, 24576, 26560, 30720, 31872, 39840, 40960, 42496, 49152, 53120, 61440, 63744, 79680, 81920, 84992, 106240, 122880, 127488, 159360, 169984, 212480, 245760, 254976, 318720, 339968, 424960, 509952, 637440, 679936, 849920, 1019904, 1274880, 1359872, 1699840, 2039808, 2549760, 3399680, 4079616, 5099520, 6799360, 10199040, 20398080]

約数ペア:

[(1, 20398080), (2, 10199040), (3, 6799360), (4, 5099520), (5, 4079616), (6, 3399680), (8, 2549760), (10, 2039808), (12, 1699840), (15, 1359872), (16, 1274880), (20, 1019904), (24, 849920), (30, 679936), (32, 637440), (40, 509952), (48, 424960), (60, 339968), (64, 318720), (80, 254976), (83, 245760), (96, 212480), (120, 169984), (128, 159360), (160, 127488), (166, 122880), (192, 106240), (240, 84992), (249, 81920), (256, 79680), (320, 63744), (332, 61440), (384, 53120), (415, 49152), (480, 42496), (498, 40960), (512, 39840), (640, 31872), (664, 30720), (768, 26560), (830, 24576), (960, 21248), (996, 20480), (1024, 19920), (1245, 16384), (1280, 15936), (1328, 15360), (1536, 13280), (1660, 12288), (1920, 10624), (1992, 10240), (2048, 9960), (2490, 8192), (2560, 7968), (2656, 7680), (3072, 6640), (3320, 6144), (3840, 5312), (3984, 5120), (4096, 4980)]