20455969328

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{937}}^1\times {\mathrm{15331}}^1$

素因数の和:16365

約数の個数: 40

約数和(自身を含む): 40124150640

約数和(自身を除く): 19668181312

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 937, 1424, 1874, 3748, 7496, 14992, 15331, 30662, 61324, 83393, 122648, 166786, 245296, 333572, 667144, 1334288, 1364459, 2728918, 5457836, 10915672, 14365147, 21831344, 28730294, 57460588, 114921176, 229842352, 1278498083, 2556996166, 5113992332, 10227984664, 20455969328]

約数ペア:

[(1, 20455969328), (2, 10227984664), (4, 5113992332), (8, 2556996166), (16, 1278498083), (89, 229842352), (178, 114921176), (356, 57460588), (712, 28730294), (937, 21831344), (1424, 14365147), (1874, 10915672), (3748, 5457836), (7496, 2728918), (14992, 1364459), (15331, 1334288), (30662, 667144), (61324, 333572), (83393, 245296), (122648, 166786)]