20346777

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 35006400

約数和(自身を除く): 14659623

約数列:

[1, 3, 9, 11, 19, 29, 33, 57, 87, 99, 171, 209, 261, 319, 373, 551, 627, 957, 1119, 1653, 1881, 2871, 3357, 4103, 4959, 6061, 7087, 10817, 12309, 18183, 21261, 32451, 36927, 54549, 63783, 77957, 97353, 118987, 205523, 233871, 356961, 616569, 701613, 1070883, 1849707, 2260753, 6782259, 20346777]

約数ペア:

[(1, 20346777), (3, 6782259), (9, 2260753), (11, 1849707), (19, 1070883), (29, 701613), (33, 616569), (57, 356961), (87, 233871), (99, 205523), (171, 118987), (209, 97353), (261, 77957), (319, 63783), (373, 54549), (551, 36927), (627, 32451), (957, 21261), (1119, 18183), (1653, 12309), (1881, 10817), (2871, 7087), (3357, 6061), (4103, 4959)]