20191883855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6823}}^1\times {\mathrm{4139}}^1$

素因数の和:10991

約数の個数: 32

約数和(自身を含む): 28477370880

約数和(自身を除く): 8285487025

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 4139, 6823, 20695, 34115, 45529, 53807, 75053, 88699, 227645, 269035, 375265, 443495, 591877, 975689, 2959385, 4878445, 28240397, 141201985, 310644367, 367125161, 1553221835, 1835625805, 4038376771, 20191883855]

約数ペア:

[(1, 20191883855), (5, 4038376771), (11, 1835625805), (13, 1553221835), (55, 367125161), (65, 310644367), (143, 141201985), (715, 28240397), (4139, 4878445), (6823, 2959385), (20695, 975689), (34115, 591877), (45529, 443495), (53807, 375265), (75053, 269035), (88699, 227645)]