20199242640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1790713}}^1$

素因数の和:1790776

約数の個数: 80

約数和(自身を含む): 63949978368

約数和(自身を除く): 43750735728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1880, 2256, 2820, 3760, 5640, 11280, 1790713, 3581426, 5372139, 7162852, 8953565, 10744278, 14325704, 17907130, 21488556, 26860695, 28651408, 35814260, 42977112, 53721390, 71628520, 84163511, 85954224, 107442780, 143257040, 168327022, 214885560, 252490533, 336654044, 420817555, 429771120, 504981066, 673308088, 841635110, 1009962132, 1262452665, 1346616176, 1683270220, 2019924264, 2524905330, 3366540440, 4039848528, 5049810660, 6733080880, 10099621320, 20199242640]

約数ペア:

[(1, 20199242640), (2, 10099621320), (3, 6733080880), (4, 5049810660), (5, 4039848528), (6, 3366540440), (8, 2524905330), (10, 2019924264), (12, 1683270220), (15, 1346616176), (16, 1262452665), (20, 1009962132), (24, 841635110), (30, 673308088), (40, 504981066), (47, 429771120), (48, 420817555), (60, 336654044), (80, 252490533), (94, 214885560), (120, 168327022), (141, 143257040), (188, 107442780), (235, 85954224), (240, 84163511), (282, 71628520), (376, 53721390), (470, 42977112), (564, 35814260), (705, 28651408), (752, 26860695), (940, 21488556), (1128, 17907130), (1410, 14325704), (1880, 10744278), (2256, 8953565), (2820, 7162852), (3760, 5372139), (5640, 3581426), (11280, 1790713)]