20228216260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{439171}}^1$

素因数の和:439241

約数の個数: 72

約数和(自身を含む): 50466132864

約数和(自身を除く): 30237916604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 940, 980, 1316, 1645, 2303, 3290, 4606, 6580, 9212, 11515, 23030, 46060, 439171, 878342, 1756684, 2195855, 3074197, 4391710, 6148394, 8783420, 12296788, 15370985, 20641037, 21519379, 30741970, 41282074, 43038758, 61483940, 82564148, 86077516, 103205185, 107596895, 144487259, 206410370, 215193790, 288974518, 412820740, 430387580, 577949036, 722436295, 1011410813, 1444872590, 2022821626, 2889745180, 4045643252, 5057054065, 10114108130, 20228216260]

約数ペア:

[(1, 20228216260), (2, 10114108130), (4, 5057054065), (5, 4045643252), (7, 2889745180), (10, 2022821626), (14, 1444872590), (20, 1011410813), (28, 722436295), (35, 577949036), (47, 430387580), (49, 412820740), (70, 288974518), (94, 215193790), (98, 206410370), (140, 144487259), (188, 107596895), (196, 103205185), (235, 86077516), (245, 82564148), (329, 61483940), (470, 43038758), (490, 41282074), (658, 30741970), (940, 21519379), (980, 20641037), (1316, 15370985), (1645, 12296788), (2303, 8783420), (3290, 6148394), (4606, 4391710), (6580, 3074197), (9212, 2195855), (11515, 1756684), (23030, 878342), (46060, 439171)]