20121076565

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{373}}^1\times {\mathrm{971}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 24917663232

約数和(自身を除く): 4796586667

約数列:

[1, 5, 41, 205, 271, 373, 971, 1355, 1865, 4855, 11111, 15293, 39811, 55555, 76465, 101083, 199055, 263141, 362183, 505415, 1315705, 1810915, 4144403, 10788781, 14849503, 20722015, 53943905, 74247515, 98151593, 490757965, 4024215313, 20121076565]

約数ペア:

[(1, 20121076565), (5, 4024215313), (41, 490757965), (205, 98151593), (271, 74247515), (373, 53943905), (971, 20722015), (1355, 14849503), (1865, 10788781), (4855, 4144403), (11111, 1810915), (15293, 1315705), (39811, 505415), (55555, 362183), (76465, 263141), (101083, 199055)]