20797724619

素因数分解:

$3^3\times 7^1\times {\mathrm{283}}^1\times {\mathrm{388837}}^1$

素因数の和:389136

約数の個数: 32

約数和(自身を含む): 35337597440

約数和(自身を除く): 14539872821

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 283, 849, 1981, 2547, 5943, 7641, 17829, 53487, 388837, 1166511, 2721859, 3499533, 8165577, 10498599, 24496731, 73490193, 110040871, 330122613, 770286097, 990367839, 2310858291, 2971103517, 6932574873, 20797724619]

約数ペア:

[(1, 20797724619), (3, 6932574873), (7, 2971103517), (9, 2310858291), (21, 990367839), (27, 770286097), (63, 330122613), (189, 110040871), (283, 73490193), (849, 24496731), (1981, 10498599), (2547, 8165577), (5943, 3499533), (7641, 2721859), (17829, 1166511), (53487, 388837)]