20173091680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{90511}}^1$

素因数の和:90732

約数の個数: 96

約数和(自身を含む): 54741657600

約数和(自身を除く): 34568565920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 199, 224, 280, 398, 560, 796, 995, 1120, 1393, 1592, 1990, 2786, 3184, 3980, 5572, 6368, 6965, 7960, 11144, 13930, 15920, 22288, 27860, 31840, 44576, 55720, 90511, 111440, 181022, 222880, 362044, 452555, 633577, 724088, 905110, 1267154, 1448176, 1810220, 2534308, 2896352, 3167885, 3620440, 5068616, 6335770, 7240880, 10137232, 12671540, 14481760, 18011689, 20274464, 25343080, 36023378, 50686160, 72046756, 90058445, 101372320, 126081823, 144093512, 180116890, 252163646, 288187024, 360233780, 504327292, 576374048, 630409115, 720467560, 1008654584, 1260818230, 1440935120, 2017309168, 2521636460, 2881870240, 4034618336, 5043272920, 10086545840, 20173091680]

約数ペア:

[(1, 20173091680), (2, 10086545840), (4, 5043272920), (5, 4034618336), (7, 2881870240), (8, 2521636460), (10, 2017309168), (14, 1440935120), (16, 1260818230), (20, 1008654584), (28, 720467560), (32, 630409115), (35, 576374048), (40, 504327292), (56, 360233780), (70, 288187024), (80, 252163646), (112, 180116890), (140, 144093512), (160, 126081823), (199, 101372320), (224, 90058445), (280, 72046756), (398, 50686160), (560, 36023378), (796, 25343080), (995, 20274464), (1120, 18011689), (1393, 14481760), (1592, 12671540), (1990, 10137232), (2786, 7240880), (3184, 6335770), (3980, 5068616), (5572, 3620440), (6368, 3167885), (6965, 2896352), (7960, 2534308), (11144, 1810220), (13930, 1448176), (15920, 1267154), (22288, 905110), (27860, 724088), (31840, 633577), (44576, 452555), (55720, 362044), (90511, 222880), (111440, 181022)]