20434372

素因数分解:

$2^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{761}}^1$

素因数の和:916

約数の個数: 36

約数和(自身を含む): 41957244

約数和(自身を除く): 21522872

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 137, 196, 274, 548, 761, 959, 1522, 1918, 3044, 3836, 5327, 6713, 10654, 13426, 21308, 26852, 37289, 74578, 104257, 149156, 208514, 417028, 729799, 1459598, 2919196, 5108593, 10217186, 20434372]

約数ペア:

[(1, 20434372), (2, 10217186), (4, 5108593), (7, 2919196), (14, 1459598), (28, 729799), (49, 417028), (98, 208514), (137, 149156), (196, 104257), (274, 74578), (548, 37289), (761, 26852), (959, 21308), (1522, 13426), (1918, 10654), (3044, 6713), (3836, 5327)]