20290270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2027}}^1$

素因数の和:2065

約数の個数: 64

約数和(自身を含む): 49061376

約数和(自身を除く): 28771106

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 2027, 4054, 5005, 10010, 10135, 14189, 20270, 22297, 26351, 28378, 44594, 52702, 70945, 111485, 131755, 141890, 156079, 184457, 222970, 263510, 289861, 312158, 368914, 579722, 780395, 922285, 1449305, 1560790, 1844570, 2029027, 2898610, 4058054, 10145135, 20290270]

約数ペア:

[(1, 20290270), (2, 10145135), (5, 4058054), (7, 2898610), (10, 2029027), (11, 1844570), (13, 1560790), (14, 1449305), (22, 922285), (26, 780395), (35, 579722), (55, 368914), (65, 312158), (70, 289861), (77, 263510), (91, 222970), (110, 184457), (130, 156079), (143, 141890), (154, 131755), (182, 111485), (286, 70945), (385, 52702), (455, 44594), (715, 28378), (770, 26351), (910, 22297), (1001, 20270), (1430, 14189), (2002, 10135), (2027, 10010), (4054, 5005)]