20155902

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3271}}^1$

素因数の和:3368

約数の個数: 32

約数和(自身を含む): 43975680

約数和(自身を除く): 23819778

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 79, 158, 237, 474, 1027, 2054, 3081, 3271, 6162, 6542, 9813, 19626, 42523, 85046, 127569, 255138, 258409, 516818, 775227, 1550454, 3359317, 6718634, 10077951, 20155902]

約数ペア:

[(1, 20155902), (2, 10077951), (3, 6718634), (6, 3359317), (13, 1550454), (26, 775227), (39, 516818), (78, 258409), (79, 255138), (158, 127569), (237, 85046), (474, 42523), (1027, 19626), (2054, 9813), (3081, 6542), (3271, 6162)]