20404896

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{12503}}^1$

素因数の和:12533

約数の個数: 48

約数和(自身を含む): 56718144

約数和(自身を除く): 36313248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 12503, 25006, 37509, 50012, 75018, 100024, 150036, 200048, 212551, 300072, 400096, 425102, 600144, 637653, 850204, 1200288, 1275306, 1700408, 2550612, 3400816, 5101224, 6801632, 10202448, 20404896]

約数ペア:

[(1, 20404896), (2, 10202448), (3, 6801632), (4, 5101224), (6, 3400816), (8, 2550612), (12, 1700408), (16, 1275306), (17, 1200288), (24, 850204), (32, 637653), (34, 600144), (48, 425102), (51, 400096), (68, 300072), (96, 212551), (102, 200048), (136, 150036), (204, 100024), (272, 75018), (408, 50012), (544, 37509), (816, 25006), (1632, 12503)]