20877468

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1129}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 51636480

約数和(自身を除く): 30759012

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 67, 69, 92, 134, 138, 201, 268, 276, 402, 804, 1129, 1541, 2258, 3082, 3387, 4516, 4623, 6164, 6774, 9246, 13548, 18492, 25967, 51934, 75643, 77901, 103868, 151286, 155802, 226929, 302572, 311604, 453858, 907716, 1739789, 3479578, 5219367, 6959156, 10438734, 20877468]

約数ペア:

[(1, 20877468), (2, 10438734), (3, 6959156), (4, 5219367), (6, 3479578), (12, 1739789), (23, 907716), (46, 453858), (67, 311604), (69, 302572), (92, 226929), (134, 155802), (138, 151286), (201, 103868), (268, 77901), (276, 75643), (402, 51934), (804, 25967), (1129, 18492), (1541, 13548), (2258, 9246), (3082, 6774), (3387, 6164), (4516, 4623)]