20191210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155317}}^1$

素因数の和:155337

約数の個数: 16

約数和(自身を含む): 39140136

約数和(自身を除く): 18948926

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 155317, 310634, 776585, 1553170, 2019121, 4038242, 10095605, 20191210]

約数ペア:

[(1, 20191210), (2, 10095605), (5, 4038242), (10, 2019121), (13, 1553170), (26, 776585), (65, 310634), (130, 155317)]