20731716

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{8111}}^1$

素因数の和:8192

約数の個数: 36

約数和(自身を含む): 53149824

約数和(自身を除く): 32418108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 8111, 16222, 24333, 32444, 48666, 72999, 97332, 145998, 291996, 575881, 1151762, 1727643, 2303524, 3455286, 5182929, 6910572, 10365858, 20731716]

約数ペア:

[(1, 20731716), (2, 10365858), (3, 6910572), (4, 5182929), (6, 3455286), (9, 2303524), (12, 1727643), (18, 1151762), (36, 575881), (71, 291996), (142, 145998), (213, 97332), (284, 72999), (426, 48666), (639, 32444), (852, 24333), (1278, 16222), (2556, 8111)]