20247922071

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{128287}}^1$

素因数の和:128396

約数の個数: 48

約数和(自身を含む): 33621719040

約数和(自身を除く): 13373796969

約数列:

[1, 3, 9, 13, 19, 39, 57, 71, 117, 171, 213, 247, 639, 741, 923, 1349, 2223, 2769, 4047, 8307, 12141, 17537, 52611, 128287, 157833, 384861, 1154583, 1667731, 2437453, 5003193, 7312359, 9108377, 15009579, 21937077, 27325131, 31686889, 81975393, 95060667, 118408901, 173059163, 285182001, 355226703, 519177489, 1065680109, 1557532467, 2249769119, 6749307357, 20247922071]

約数ペア:

[(1, 20247922071), (3, 6749307357), (9, 2249769119), (13, 1557532467), (19, 1065680109), (39, 519177489), (57, 355226703), (71, 285182001), (117, 173059163), (171, 118408901), (213, 95060667), (247, 81975393), (639, 31686889), (741, 27325131), (923, 21937077), (1349, 15009579), (2223, 9108377), (2769, 7312359), (4047, 5003193), (8307, 2437453), (12141, 1667731), (17537, 1154583), (52611, 384861), (128287, 157833)]