20813724

素因数分解:

$2^2\times 3^2\times {\mathrm{241}}^1\times {\mathrm{2399}}^1$

素因数の和:2650

約数の個数: 36

約数和(自身を含む): 52852800

約数和(自身を除く): 32039076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 241, 482, 723, 964, 1446, 2169, 2399, 2892, 4338, 4798, 7197, 8676, 9596, 14394, 21591, 28788, 43182, 86364, 578159, 1156318, 1734477, 2312636, 3468954, 5203431, 6937908, 10406862, 20813724]

約数ペア:

[(1, 20813724), (2, 10406862), (3, 6937908), (4, 5203431), (6, 3468954), (9, 2312636), (12, 1734477), (18, 1156318), (36, 578159), (241, 86364), (482, 43182), (723, 28788), (964, 21591), (1446, 14394), (2169, 9596), (2399, 8676), (2892, 7197), (4338, 4798)]