20137842575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1\times {\mathrm{3191}}^1$

素因数の和:3728

約数の個数: 48

約数和(自身を含む): 27358248960

約数和(自身を除く): 7220406385

約数列:

[1, 5, 17, 25, 31, 85, 155, 425, 479, 527, 775, 2395, 2635, 3191, 8143, 11975, 13175, 14849, 15955, 40715, 54247, 74245, 79775, 98921, 203575, 252433, 271235, 371225, 494605, 1262165, 1356175, 1528489, 1681657, 2473025, 6310825, 7642445, 8408285, 25984313, 38212225, 42041425, 47383159, 129921565, 236915795, 649607825, 805513703, 1184578975, 4027568515, 20137842575]

約数ペア:

[(1, 20137842575), (5, 4027568515), (17, 1184578975), (25, 805513703), (31, 649607825), (85, 236915795), (155, 129921565), (425, 47383159), (479, 42041425), (527, 38212225), (775, 25984313), (2395, 8408285), (2635, 7642445), (3191, 6310825), (8143, 2473025), (11975, 1681657), (13175, 1528489), (14849, 1356175), (15955, 1262165), (40715, 494605), (54247, 371225), (74245, 271235), (79775, 252433), (98921, 203575)]