20765885510

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{368647}}^1$

素因数の和:368828

約数の個数: 32

約数和(自身を含む): 38539936512

約数和(自身を除く): 17774051002

約数列:

[1, 2, 5, 10, 43, 86, 131, 215, 262, 430, 655, 1310, 5633, 11266, 28165, 56330, 368647, 737294, 1843235, 3686470, 15851821, 31703642, 48292757, 79259105, 96585514, 158518210, 241463785, 482927570, 2076588551, 4153177102, 10382942755, 20765885510]

約数ペア:

[(1, 20765885510), (2, 10382942755), (5, 4153177102), (10, 2076588551), (43, 482927570), (86, 241463785), (131, 158518210), (215, 96585514), (262, 79259105), (430, 48292757), (655, 31703642), (1310, 15851821), (5633, 3686470), (11266, 1843235), (28165, 737294), (56330, 368647)]