20173336240

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{31013}}^1$

素因数の和:31246

約数の個数: 80

約数和(自身を含む): 48179380608

約数和(自身を除く): 28006044368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 173, 188, 235, 346, 376, 470, 692, 752, 865, 940, 1384, 1730, 1880, 2768, 3460, 3760, 6920, 8131, 13840, 16262, 31013, 32524, 40655, 62026, 65048, 81310, 124052, 130096, 155065, 162620, 248104, 310130, 325240, 496208, 620260, 650480, 1240520, 1457611, 2481040, 2915222, 5365249, 5830444, 7288055, 10730498, 11660888, 14576110, 21460996, 23321776, 26826245, 29152220, 42921992, 53652490, 58304440, 85843984, 107304980, 116608880, 214609960, 252166703, 429219920, 504333406, 1008666812, 1260833515, 2017333624, 2521667030, 4034667248, 5043334060, 10086668120, 20173336240]

約数ペア:

[(1, 20173336240), (2, 10086668120), (4, 5043334060), (5, 4034667248), (8, 2521667030), (10, 2017333624), (16, 1260833515), (20, 1008666812), (40, 504333406), (47, 429219920), (80, 252166703), (94, 214609960), (173, 116608880), (188, 107304980), (235, 85843984), (346, 58304440), (376, 53652490), (470, 42921992), (692, 29152220), (752, 26826245), (865, 23321776), (940, 21460996), (1384, 14576110), (1730, 11660888), (1880, 10730498), (2768, 7288055), (3460, 5830444), (3760, 5365249), (6920, 2915222), (8131, 2481040), (13840, 1457611), (16262, 1240520), (31013, 650480), (32524, 620260), (40655, 496208), (62026, 325240), (65048, 310130), (81310, 248104), (124052, 162620), (130096, 155065)]