20715678739

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{15227}}^1$

素因数の和:15499

約数の個数: 32

約数和(自身を含む): 25524564480

約数和(自身を除く): 4808885741

約数列:

[1, 7, 19, 53, 133, 193, 371, 1007, 1351, 3667, 7049, 10229, 15227, 25669, 71603, 106589, 194351, 289313, 807031, 1360457, 2025191, 2938811, 5649217, 15333589, 20571677, 55837409, 107335123, 155756983, 390861863, 1090298881, 2959382677, 20715678739]

約数ペア:

[(1, 20715678739), (7, 2959382677), (19, 1090298881), (53, 390861863), (133, 155756983), (193, 107335123), (371, 55837409), (1007, 20571677), (1351, 15333589), (3667, 5649217), (7049, 2938811), (10229, 2025191), (15227, 1360457), (25669, 807031), (71603, 289313), (106589, 194351)]