20157304552

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{367673}}^1$

素因数の和:367786

約数の個数: 64

約数和(自身を含む): 47650550400

約数和(自身を除く): 27493245848

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 89, 154, 178, 308, 356, 616, 623, 712, 979, 1246, 1958, 2492, 3916, 4984, 6853, 7832, 13706, 27412, 54824, 367673, 735346, 1470692, 2573711, 2941384, 4044403, 5147422, 8088806, 10294844, 16177612, 20589688, 28310821, 32355224, 32722897, 56621642, 65445794, 113243284, 130891588, 226486568, 229060279, 261783176, 359951867, 458120558, 719903734, 916241116, 1439807468, 1832482232, 2519663069, 2879614936, 5039326138, 10078652276, 20157304552]

約数ペア:

[(1, 20157304552), (2, 10078652276), (4, 5039326138), (7, 2879614936), (8, 2519663069), (11, 1832482232), (14, 1439807468), (22, 916241116), (28, 719903734), (44, 458120558), (56, 359951867), (77, 261783176), (88, 229060279), (89, 226486568), (154, 130891588), (178, 113243284), (308, 65445794), (356, 56621642), (616, 32722897), (623, 32355224), (712, 28310821), (979, 20589688), (1246, 16177612), (1958, 10294844), (2492, 8088806), (3916, 5147422), (4984, 4044403), (6853, 2941384), (7832, 2573711), (13706, 1470692), (27412, 735346), (54824, 367673)]