19969920

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3467}}^1$

素因数の和:3492

約数の個数: 96

約数和(自身を含む): 68978520

約数和(自身を除く): 49008600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 3467, 5760, 6934, 10401, 13868, 17335, 20802, 27736, 31203, 34670, 41604, 52005, 55472, 62406, 69340, 83208, 104010, 110944, 124812, 138680, 156015, 166416, 208020, 221888, 249624, 277360, 312030, 332832, 416040, 443776, 499248, 554720, 624060, 665664, 832080, 998496, 1109440, 1248120, 1331328, 1664160, 1996992, 2218880, 2496240, 3328320, 3993984, 4992480, 6656640, 9984960, 19969920]

約数ペア:

[(1, 19969920), (2, 9984960), (3, 6656640), (4, 4992480), (5, 3993984), (6, 3328320), (8, 2496240), (9, 2218880), (10, 1996992), (12, 1664160), (15, 1331328), (16, 1248120), (18, 1109440), (20, 998496), (24, 832080), (30, 665664), (32, 624060), (36, 554720), (40, 499248), (45, 443776), (48, 416040), (60, 332832), (64, 312030), (72, 277360), (80, 249624), (90, 221888), (96, 208020), (120, 166416), (128, 156015), (144, 138680), (160, 124812), (180, 110944), (192, 104010), (240, 83208), (288, 69340), (320, 62406), (360, 55472), (384, 52005), (480, 41604), (576, 34670), (640, 31203), (720, 27736), (960, 20802), (1152, 17335), (1440, 13868), (1920, 10401), (2880, 6934), (3467, 5760)]