20010760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 57542400

約数和(自身を除く): 37531640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 73, 77, 88, 89, 110, 140, 146, 154, 178, 220, 280, 292, 308, 356, 365, 385, 440, 445, 511, 584, 616, 623, 712, 730, 770, 803, 890, 979, 1022, 1246, 1460, 1540, 1606, 1780, 1958, 2044, 2492, 2555, 2920, 3080, 3115, 3212, 3560, 3916, 4015, 4088, 4895, 4984, 5110, 5621, 6230, 6424, 6497, 6853, 7832, 8030, 9790, 10220, 11242, 12460, 12994, 13706, 16060, 19580, 20440, 22484, 24920, 25988, 27412, 28105, 32120, 32485, 34265, 39160, 44968, 45479, 51976, 54824, 56210, 64970, 68530, 71467, 90958, 112420, 129940, 137060, 142934, 181916, 224840, 227395, 259880, 274120, 285868, 357335, 363832, 454790, 500269, 571736, 714670, 909580, 1000538, 1429340, 1819160, 2001076, 2501345, 2858680, 4002152, 5002690, 10005380, 20010760]

約数ペア:

[(1, 20010760), (2, 10005380), (4, 5002690), (5, 4002152), (7, 2858680), (8, 2501345), (10, 2001076), (11, 1819160), (14, 1429340), (20, 1000538), (22, 909580), (28, 714670), (35, 571736), (40, 500269), (44, 454790), (55, 363832), (56, 357335), (70, 285868), (73, 274120), (77, 259880), (88, 227395), (89, 224840), (110, 181916), (140, 142934), (146, 137060), (154, 129940), (178, 112420), (220, 90958), (280, 71467), (292, 68530), (308, 64970), (356, 56210), (365, 54824), (385, 51976), (440, 45479), (445, 44968), (511, 39160), (584, 34265), (616, 32485), (623, 32120), (712, 28105), (730, 27412), (770, 25988), (803, 24920), (890, 22484), (979, 20440), (1022, 19580), (1246, 16060), (1460, 13706), (1540, 12994), (1606, 12460), (1780, 11242), (1958, 10220), (2044, 9790), (2492, 8030), (2555, 7832), (2920, 6853), (3080, 6497), (3115, 6424), (3212, 6230), (3560, 5621), (3916, 5110), (4015, 4984), (4088, 4895)]