20512758055

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{27743}}^1$

素因数の和:27991

約数の個数: 32

約数和(自身を含む): 26660874240

約数和(自身を除く): 6148116185

約数列:

[1, 5, 19, 43, 95, 181, 215, 817, 905, 3439, 4085, 7783, 17195, 27743, 38915, 138715, 147877, 527117, 739385, 1192949, 2635585, 5021483, 5964745, 22666031, 25107415, 95408177, 113330155, 215923769, 477040885, 1079618845, 4102551611, 20512758055]

約数ペア:

[(1, 20512758055), (5, 4102551611), (19, 1079618845), (43, 477040885), (95, 215923769), (181, 113330155), (215, 95408177), (817, 25107415), (905, 22666031), (3439, 5964745), (4085, 5021483), (7783, 2635585), (17195, 1192949), (27743, 739385), (38915, 527117), (138715, 147877)]