20213132

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{691}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 36271872

約数和(自身を除く): 16058740

約数列:

[1, 2, 4, 71, 103, 142, 206, 284, 412, 691, 1382, 2764, 7313, 14626, 29252, 49061, 71173, 98122, 142346, 196244, 284692, 5053283, 10106566, 20213132]

約数ペア:

[(1, 20213132), (2, 10106566), (4, 5053283), (71, 284692), (103, 196244), (142, 142346), (206, 98122), (284, 71173), (412, 49061), (691, 29252), (1382, 14626), (2764, 7313)]