20800188

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{25121}}^1$

素因数の和:25154

約数の個数: 36

約数和(自身を含む): 54866448

約数和(自身を除く): 34066260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 25121, 50242, 75363, 100484, 150726, 226089, 301452, 452178, 577783, 904356, 1155566, 1733349, 2311132, 3466698, 5200047, 6933396, 10400094, 20800188]

約数ペア:

[(1, 20800188), (2, 10400094), (3, 6933396), (4, 5200047), (6, 3466698), (9, 2311132), (12, 1733349), (18, 1155566), (23, 904356), (36, 577783), (46, 452178), (69, 301452), (92, 226089), (138, 150726), (207, 100484), (276, 75363), (414, 50242), (828, 25121)]