20284732

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:878

約数の個数: 36

約数和(自身を含む): 39526536

約数和(自身を除く): 19241804

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 169, 338, 481, 676, 811, 962, 1622, 1924, 3244, 6253, 10543, 12506, 21086, 25012, 30007, 42172, 60014, 120028, 137059, 274118, 390091, 548236, 780182, 1560364, 5071183, 10142366, 20284732]

約数ペア:

[(1, 20284732), (2, 10142366), (4, 5071183), (13, 1560364), (26, 780182), (37, 548236), (52, 390091), (74, 274118), (148, 137059), (169, 120028), (338, 60014), (481, 42172), (676, 30007), (811, 25012), (962, 21086), (1622, 12506), (1924, 10543), (3244, 6253)]