20169360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:385

約数の個数: 120

約数和(自身を含む): 68622840

約数和(自身を除く): 48453480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 109, 120, 144, 180, 218, 240, 257, 327, 360, 436, 514, 545, 654, 720, 771, 872, 981, 1028, 1090, 1285, 1308, 1542, 1635, 1744, 1962, 2056, 2180, 2313, 2570, 2616, 3084, 3270, 3855, 3924, 4112, 4360, 4626, 4905, 5140, 5232, 6168, 6540, 7710, 7848, 8720, 9252, 9810, 10280, 11565, 12336, 13080, 15420, 15696, 18504, 19620, 20560, 23130, 26160, 28013, 30840, 37008, 39240, 46260, 56026, 61680, 78480, 84039, 92520, 112052, 140065, 168078, 185040, 224104, 252117, 280130, 336156, 420195, 448208, 504234, 560260, 672312, 840390, 1008468, 1120520, 1260585, 1344624, 1680780, 2016936, 2241040, 2521170, 3361560, 4033872, 5042340, 6723120, 10084680, 20169360]

約数ペア:

[(1, 20169360), (2, 10084680), (3, 6723120), (4, 5042340), (5, 4033872), (6, 3361560), (8, 2521170), (9, 2241040), (10, 2016936), (12, 1680780), (15, 1344624), (16, 1260585), (18, 1120520), (20, 1008468), (24, 840390), (30, 672312), (36, 560260), (40, 504234), (45, 448208), (48, 420195), (60, 336156), (72, 280130), (80, 252117), (90, 224104), (109, 185040), (120, 168078), (144, 140065), (180, 112052), (218, 92520), (240, 84039), (257, 78480), (327, 61680), (360, 56026), (436, 46260), (514, 39240), (545, 37008), (654, 30840), (720, 28013), (771, 26160), (872, 23130), (981, 20560), (1028, 19620), (1090, 18504), (1285, 15696), (1308, 15420), (1542, 13080), (1635, 12336), (1744, 11565), (1962, 10280), (2056, 9810), (2180, 9252), (2313, 8720), (2570, 7848), (2616, 7710), (3084, 6540), (3270, 6168), (3855, 5232), (3924, 5140), (4112, 4905), (4360, 4626)]