20403311038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{68389}}^1$

素因数の和:68664

約数の個数: 32

約数和(自身を含む): 34035240960

約数和(自身を除く): 13631929922

約数列:

[1, 2, 11, 22, 71, 142, 191, 382, 781, 1562, 2101, 4202, 13561, 27122, 68389, 136778, 149171, 298342, 752279, 1504558, 4855619, 9711238, 13062299, 26124598, 53411809, 106823618, 143685289, 287370578, 927423229, 1854846458, 10201655519, 20403311038]

約数ペア:

[(1, 20403311038), (2, 10201655519), (11, 1854846458), (22, 927423229), (71, 287370578), (142, 143685289), (191, 106823618), (382, 53411809), (781, 26124598), (1562, 13062299), (2101, 9711238), (4202, 4855619), (13561, 1504558), (27122, 752279), (68389, 298342), (136778, 149171)]