20406948338

素因数分解:

$2^1\times 7^1\times {\mathrm{823}}^1\times {\mathrm{839}}^1\times {\mathrm{2111}}^1$

素因数の和:3782

約数の個数: 32

約数和(自身を含む): 35084206080

約数和(自身を除く): 14677257742

約数列:

[1, 2, 7, 14, 823, 839, 1646, 1678, 2111, 4222, 5761, 5873, 11522, 11746, 14777, 29554, 690497, 1380994, 1737353, 1771129, 3474706, 3542258, 4833479, 9666958, 12161471, 12397903, 24322942, 24795806, 1457639167, 2915278334, 10203474169, 20406948338]

約数ペア:

[(1, 20406948338), (2, 10203474169), (7, 2915278334), (14, 1457639167), (823, 24795806), (839, 24322942), (1646, 12397903), (1678, 12161471), (2111, 9666958), (4222, 4833479), (5761, 3542258), (5873, 3474706), (11522, 1771129), (11746, 1737353), (14777, 1380994), (29554, 690497)]