20260555917

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{21227}}^1$

素因数の和:21438

約数の個数: 48

約数和(自身を含む): 32369812992

約数和(自身を除く): 12109257075

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 151, 301, 453, 903, 1057, 2107, 3171, 6321, 6493, 7399, 19479, 21227, 22197, 45451, 63681, 136353, 148589, 318157, 445767, 912761, 954471, 1040123, 2738283, 3120369, 3205277, 6389327, 9615831, 19167981, 22436939, 44725289, 67310817, 134175867, 137826911, 157058573, 413480733, 471175719, 964788377, 2894365131, 6753518639, 20260555917]

約数ペア:

[(1, 20260555917), (3, 6753518639), (7, 2894365131), (21, 964788377), (43, 471175719), (49, 413480733), (129, 157058573), (147, 137826911), (151, 134175867), (301, 67310817), (453, 44725289), (903, 22436939), (1057, 19167981), (2107, 9615831), (3171, 6389327), (6321, 3205277), (6493, 3120369), (7399, 2738283), (19479, 1040123), (21227, 954471), (22197, 912761), (45451, 445767), (63681, 318157), (136353, 148589)]