20470240

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{373}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 56548800

約数和(自身を除く): 36078560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 373, 392, 490, 560, 686, 746, 784, 980, 1120, 1372, 1492, 1568, 1715, 1865, 1960, 2611, 2744, 2984, 3430, 3730, 3920, 5222, 5488, 5968, 6860, 7460, 7840, 10444, 10976, 11936, 13055, 13720, 14920, 18277, 20888, 26110, 27440, 29840, 36554, 41776, 52220, 54880, 59680, 73108, 83552, 91385, 104440, 127939, 146216, 182770, 208880, 255878, 292432, 365540, 417760, 511756, 584864, 639695, 731080, 1023512, 1279390, 1462160, 2047024, 2558780, 2924320, 4094048, 5117560, 10235120, 20470240]

約数ペア:

[(1, 20470240), (2, 10235120), (4, 5117560), (5, 4094048), (7, 2924320), (8, 2558780), (10, 2047024), (14, 1462160), (16, 1279390), (20, 1023512), (28, 731080), (32, 639695), (35, 584864), (40, 511756), (49, 417760), (56, 365540), (70, 292432), (80, 255878), (98, 208880), (112, 182770), (140, 146216), (160, 127939), (196, 104440), (224, 91385), (245, 83552), (280, 73108), (343, 59680), (373, 54880), (392, 52220), (490, 41776), (560, 36554), (686, 29840), (746, 27440), (784, 26110), (980, 20888), (1120, 18277), (1372, 14920), (1492, 13720), (1568, 13055), (1715, 11936), (1865, 10976), (1960, 10444), (2611, 7840), (2744, 7460), (2984, 6860), (3430, 5968), (3730, 5488), (3920, 5222)]