20442981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 31187968

約数和(自身を除く): 10744987

約数列:

[1, 3, 13, 31, 37, 39, 93, 111, 403, 457, 481, 1147, 1209, 1371, 1443, 3441, 5941, 14167, 14911, 16909, 17823, 42501, 44733, 50727, 184171, 219817, 524179, 552513, 659451, 1572537, 6814327, 20442981]

約数ペア:

[(1, 20442981), (3, 6814327), (13, 1572537), (31, 659451), (37, 552513), (39, 524179), (93, 219817), (111, 184171), (403, 50727), (457, 44733), (481, 42501), (1147, 17823), (1209, 16909), (1371, 14911), (1443, 14167), (3441, 5941)]