20876160

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 128

約数和(自身を含む): 67858560

約数和(自身を除く): 46982400

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, 131, 160, 166, 192, 240, 249, 262, 320, 332, 384, 393, 415, 480, 498, 524, 640, 655, 664, 786, 830, 960, 996, 1048, 1245, 1310, 1328, 1572, 1660, 1920, 1965, 1992, 2096, 2490, 2620, 2656, 3144, 3320, 3930, 3984, 4192, 4980, 5240, 5312, 6288, 6640, 7860, 7968, 8384, 9960, 10480, 10624, 10873, 12576, 13280, 15720, 15936, 16768, 19920, 20960, 21746, 25152, 26560, 31440, 31872, 32619, 39840, 41920, 43492, 50304, 53120, 54365, 62880, 65238, 79680, 83840, 86984, 108730, 125760, 130476, 159360, 163095, 173968, 217460, 251520, 260952, 326190, 347936, 434920, 521904, 652380, 695872, 869840, 1043808, 1304760, 1391744, 1739680, 2087616, 2609520, 3479360, 4175232, 5219040, 6958720, 10438080, 20876160]

約数ペア:

[(1, 20876160), (2, 10438080), (3, 6958720), (4, 5219040), (5, 4175232), (6, 3479360), (8, 2609520), (10, 2087616), (12, 1739680), (15, 1391744), (16, 1304760), (20, 1043808), (24, 869840), (30, 695872), (32, 652380), (40, 521904), (48, 434920), (60, 347936), (64, 326190), (80, 260952), (83, 251520), (96, 217460), (120, 173968), (128, 163095), (131, 159360), (160, 130476), (166, 125760), (192, 108730), (240, 86984), (249, 83840), (262, 79680), (320, 65238), (332, 62880), (384, 54365), (393, 53120), (415, 50304), (480, 43492), (498, 41920), (524, 39840), (640, 32619), (655, 31872), (664, 31440), (786, 26560), (830, 25152), (960, 21746), (996, 20960), (1048, 19920), (1245, 16768), (1310, 15936), (1328, 15720), (1572, 13280), (1660, 12576), (1920, 10873), (1965, 10624), (1992, 10480), (2096, 9960), (2490, 8384), (2620, 7968), (2656, 7860), (3144, 6640), (3320, 6288), (3930, 5312), (3984, 5240), (4192, 4980)]