20214836

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 39191040

約数和(自身を除く): 18976204

約数列:

[1, 2, 4, 17, 34, 53, 68, 71, 79, 106, 142, 158, 212, 284, 316, 901, 1207, 1343, 1802, 2414, 2686, 3604, 3763, 4187, 4828, 5372, 5609, 7526, 8374, 11218, 15052, 16748, 22436, 63971, 71179, 95353, 127942, 142358, 190706, 255884, 284716, 297277, 381412, 594554, 1189108, 5053709, 10107418, 20214836]

約数ペア:

[(1, 20214836), (2, 10107418), (4, 5053709), (17, 1189108), (34, 594554), (53, 381412), (68, 297277), (71, 284716), (79, 255884), (106, 190706), (142, 142358), (158, 127942), (212, 95353), (284, 71179), (316, 63971), (901, 22436), (1207, 16748), (1343, 15052), (1802, 11218), (2414, 8374), (2686, 7526), (3604, 5609), (3763, 5372), (4187, 4828)]